[go: up one dir, main page]

Search a number
-
+
122131010 = 25311632417
BaseRepresentation
bin1110100011110…
…01001001000010
322111210220020202
413101321021002
5222231143020
620041405202
73012045041
oct721711102
9274726222
10122131010
1162a37921
1234a99802
131c3c1b91
1412312558
15aac6e75
hex7479242

122131010 has 32 divisors (see below), whose sum is σ = 228413952. Its totient is φ = 46967040.

The previous prime is 122130997. The next prime is 122131019. The reversal of 122131010 is 10131221.

It is a junction number, because it is equal to n+sod(n) for n = 122130982 and 122131000.

It is not an unprimeable number, because it can be changed into a prime (122131019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49322 + ... + 51738.

It is an arithmetic number, because the mean of its divisors is an integer number (7137936).

Almost surely, 2122131010 is an apocalyptic number.

122131010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122131010 is a deficient number, since it is larger than the sum of its proper divisors (106282942).

122131010 is a wasteful number, since it uses less digits than its factorization.

122131010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 122131010 is about 11051.2899699537. The cubic root of 122131010 is about 496.1450348713.

Adding to 122131010 its reverse (10131221), we get a palindrome (132262231).

The spelling of 122131010 in words is "one hundred twenty-two million, one hundred thirty-one thousand, ten".

Divisors: 1 2 5 10 31 62 155 163 310 326 815 1630 2417 4834 5053 10106 12085 24170 25265 50530 74927 149854 374635 393971 749270 787942 1969855 3939710 12213101 24426202 61065505 122131010