[go: up one dir, main page]

Search a number
-
+
2031102120 = 233516925851
BaseRepresentation
bin111100100010000…
…0010100010101000
312020112212200022110
41321010002202220
513124430231440
6533313322320
7101222040345
oct17104024250
95215780273
102031102120
119525600a3
124882663a0
13264a46b98
14153a737cc
15bd4a8080
hex791028a8

2031102120 has 32 divisors (see below), whose sum is σ = 6093306720. Its totient is φ = 541627200.

The previous prime is 2031102107. The next prime is 2031102137. The reversal of 2031102120 is 212011302.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2031102096 and 2031102105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8462806 + ... + 8463045.

It is an arithmetic number, because the mean of its divisors is an integer number (190415835).

Almost surely, 22031102120 is an apocalyptic number.

2031102120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031102120 is an abundant number, since it is smaller than the sum of its proper divisors (4062204600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2031102120 is a wasteful number, since it uses less digits than its factorization.

2031102120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16925865 (or 16925861 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2031102120 is about 45067.7503321388. The cubic root of 2031102120 is about 1266.4185204883.

Adding to 2031102120 its reverse (212011302), we get a palindrome (2243113422).

The spelling of 2031102120 in words is "two billion, thirty-one million, one hundred two thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 16925851 33851702 50777553 67703404 84629255 101555106 135406808 169258510 203110212 253887765 338517020 406220424 507775530 677034040 1015551060 2031102120