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23512052312 = 2372318254699
BaseRepresentation
bin10101111001011011…
…010111001001011000
32020200121002000022022
4111321123113021120
5341123041133222
614445024514012
71461436101320
oct257133271130
966617060268
1023512052312
119a75a389a1
12468217b908
1322a91a3cb8
1411d0900280
15929259042
hex5796d7258

23512052312 has 32 divisors (see below), whose sum is σ = 52573536000. Its totient is φ = 9638480544.

The previous prime is 23512052309. The next prime is 23512052339. The reversal of 23512052312 is 21325021532.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9126062 + ... + 9128637.

It is an arithmetic number, because the mean of its divisors is an integer number (1642923000).

Almost surely, 223512052312 is an apocalyptic number.

It is an amenable number.

23512052312 is an abundant number, since it is smaller than the sum of its proper divisors (29061483688).

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

23512052312 is a wasteful number, since it uses less digits than its factorization.

23512052312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18254735 (or 18254731 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 23512052312 its reverse (21325021532), we get a palindrome (44837073844).

The spelling of 23512052312 in words is "twenty-three billion, five hundred twelve million, fifty-two thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 23 28 46 56 92 161 184 322 644 1288 18254699 36509398 73018796 127782893 146037592 255565786 419858077 511131572 839716154 1022263144 1679432308 2939006539 3358864616 5878013078 11756026156 23512052312