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76648950412881 = 37111719518449303
BaseRepresentation
bin10001011011011000111001…
…011101100011011001010001
3101001101120100010211222221220
4101123120321131203121101
540021304022301203011
6431004013002035253
722100463305446230
oct2133307135433121
9331346303758856
1076648950412881
1122471701301850
12871b0b64a8b29
13339cc71184342
1414cdb86a90b17
158cdc35e67506
hex45b639763651

76648950412881 has 32 divisors (see below), whose sum is σ = 134911521589248. Its totient is φ = 37475422659840.

The previous prime is 76648950412861. The next prime is 76648950412897. The reversal of 76648950412881 is 18821405984667.

It is not a de Polignac number, because 76648950412881 - 29 = 76648950412369 is a prime.

It is a super-2 number, since 2×766489504128812 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (76648950412861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9759220725 + ... + 9759228578.

It is an arithmetic number, because the mean of its divisors is an integer number (4215985049664).

Almost surely, 276648950412881 is an apocalyptic number.

It is an amenable number.

76648950412881 is a deficient number, since it is larger than the sum of its proper divisors (58262571176367).

76648950412881 is a wasteful number, since it uses less digits than its factorization.

76648950412881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19518449341.

The product of its (nonzero) digits is 185794560, while the sum is 69.

The spelling of 76648950412881 in words is "seventy-six trillion, six hundred forty-eight billion, nine hundred fifty million, four hundred twelve thousand, eight hundred eighty-one".

Divisors: 1 3 7 11 17 21 33 51 77 119 187 231 357 561 1309 3927 19518449303 58555347909 136629145121 214702942333 331813638151 409887435363 644108826999 995440914453 1502920596331 2322695467057 3649950019661 4508761788993 6968086401171 10949850058983 25549650137627 76648950412881