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49772968968 = 23317131931241
BaseRepresentation
bin101110010110101100…
…110011110000001000
311202110202121210121010
4232112230303300020
51303413340001333
634510531243520
73411264153462
oct562654636010
9152422553533
1049772968968
111a1215a82a8
129790a495a0
134902a0cc38
1425a2513132
15146499b563
hexb96b33c08

49772968968 has 64 divisors (see below), whose sum is σ = 132757859520. Its totient is φ = 15495833600.

The previous prime is 49772968963. The next prime is 49772968981. The reversal of 49772968968 is 86986927794.

It is a self number, because there is not a number n which added to its sum of digits gives 49772968968.

It is not an unprimeable number, because it can be changed into a prime (49772968963) by changing a digit.

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, 412173 + ... + 519068.

It is an arithmetic number, because the mean of its divisors is an integer number (2074341555).

Almost surely, 249772968968 is an apocalyptic number.

It is an amenable number.

49772968968 is an abundant number, since it is smaller than the sum of its proper divisors (82984890552).

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

49772968968 is a wasteful number, since it uses less digits than its factorization.

49772968968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931398 (or 931394 counting only the distinct ones).

The product of its digits is 658409472, while the sum is 75.

The spelling of 49772968968 in words is "forty-nine billion, seven hundred seventy-two million, nine hundred sixty-eight thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 131 136 204 262 393 408 524 786 1048 1572 2227 3144 4454 6681 8908 13362 17816 26724 53448 931241 1862482 2793723 3724964 5587446 7449928 11174892 15831097 22349784 31662194 47493291 63324388 94986582 121992571 126648776 189973164 243985142 365977713 379946328 487970284 731955426 975940568 1463910852 2073873707 2927821704 4147747414 6221621121 8295494828 12443242242 16590989656 24886484484 49772968968