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23100031202 = 211550015601
BaseRepresentation
bin10101100000110111…
…101000000011100010
32012121212210011121012
4111200313220003202
5334302101444302
614340105500522
71445304011513
oct254067500342
965555704535
1023100031202
119884402386
1245881a1742
132241a13c21
141191ccaa0a
15902ebda52
hex560de80e2

23100031202 has 4 divisors (see below), whose sum is σ = 34650046806. Its totient is φ = 11550015600.

The previous prime is 23100031193. The next prime is 23100031217. The reversal of 23100031202 is 20213000132.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13698595681 + 9401435521 = 117041^2 + 96961^2 .

It is a super-2 number, since 2×231000312022 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5775007799 + ... + 5775007802.

Almost surely, 223100031202 is an apocalyptic number.

23100031202 is a deficient number, since it is larger than the sum of its proper divisors (11550015604).

23100031202 is a wasteful number, since it uses less digits than its factorization.

23100031202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11550015603.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 23100031202 its reverse (20213000132), we get a palindrome (43313031334).

The spelling of 23100031202 in words is "twenty-three billion, one hundred million, thirty-one thousand, two hundred two".

Divisors: 1 2 11550015601 23100031202