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2122021230 = 235714816823
BaseRepresentation
bin111111001111011…
…0111100101101110
312110212221211212220
41332132313211232
513321214134410
6550322140210
7103404611550
oct17636674556
95425854786
102122021230
11999909a5a
124b27b1666
1327a82b284
14161b7d4d0
15c6467070
hex7e7b796e

2122021230 has 64 divisors (see below), whose sum is σ = 5825184768. Its totient is φ = 484634880.

The previous prime is 2122021229. The next prime is 2122021241. The reversal of 2122021230 is 321202212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 307599 + ... + 314421.

It is an arithmetic number, because the mean of its divisors is an integer number (91018512).

Almost surely, 22122021230 is an apocalyptic number.

2122021230 is an abundant number, since it is smaller than the sum of its proper divisors (3703163538).

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

2122021230 is a wasteful number, since it uses less digits than its factorization.

2122021230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8321.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2122021230 is about 46065.4016589457. The cubic root of 2122021230 is about 1285.0397884191.

Adding to 2122021230 its reverse (321202212), we get a palindrome (2443223442).

The spelling of 2122021230 in words is "two billion, one hundred twenty-two million, twenty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 1481 2962 4443 6823 7405 8886 10367 13646 14810 20469 20734 22215 31101 34115 40938 44430 47761 51835 62202 68230 95522 102345 103670 143283 155505 204690 238805 286566 311010 477610 716415 1432830 10104863 20209726 30314589 50524315 60629178 70734041 101048630 141468082 151572945 212202123 303145890 353670205 424404246 707340410 1061010615 2122021230