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23312230002 = 2331698125423
BaseRepresentation
bin10101101101100001…
…000110011001110010
32020011200001222122000
4111231201012121302
5340220412330002
614413125554430
71453461454065
oct255541063162
966150058560
1023312230002
119983167496
124627275a16
13227697c849
1411b21668dc
1591693761c
hex56d846672

23312230002 has 32 divisors (see below), whose sum is σ = 51810044160. Its totient is φ = 7769980080.

The previous prime is 23312229973. The next prime is 23312230043. The reversal of 23312230002 is 20003221332.

It is a happy number.

It is a super-2 number, since 2×233122300022 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 904263 + ... + 929685.

It is an arithmetic number, because the mean of its divisors is an integer number (1619063880).

Almost surely, 223312230002 is an apocalyptic number.

23312230002 is an abundant number, since it is smaller than the sum of its proper divisors (28497814158).

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

23312230002 is a wasteful number, since it uses less digits than its factorization.

23312230002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42415 (or 42409 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 23312230002 its reverse (20003221332), we get a palindrome (43315451334).

The spelling of 23312230002 in words is "twenty-three billion, three hundred twelve million, two hundred thirty thousand, two".

Divisors: 1 2 3 6 9 18 27 54 16981 25423 33962 50846 50943 76269 101886 152538 152829 228807 305658 457614 458487 686421 916974 1372842 431707963 863415926 1295123889 2590247778 3885371667 7770743334 11656115001 23312230002