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61275076712 = 2343892001407
BaseRepresentation
bin111001000100010001…
…110111100001101000
312212011100212102011122
4321010101313201220
52000442404423322
644052133314412
74266311362343
oct710421674150
9185140772148
1061275076712
1123a94202073
12ba60a95a08
135a16979b55
142d73d6745a
1518d966d442
hexe44477868

61275076712 has 32 divisors (see below), whose sum is σ = 118883635200. Its totient is φ = 29588786304.

The previous prime is 61275076693. The next prime is 61275076717. The reversal of 61275076712 is 21767057216.

It is a super-2 number, since 2×612750767122 (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (61275076717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 970088 + ... + 1031319.

It is an arithmetic number, because the mean of its divisors is an integer number (3715113600).

Almost surely, 261275076712 is an apocalyptic number.

It is an amenable number.

61275076712 is a deficient number, since it is larger than the sum of its proper divisors (57608558488).

61275076712 is a wasteful number, since it uses less digits than its factorization.

61275076712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001545 (or 2001541 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 44.

The spelling of 61275076712 in words is "sixty-one billion, two hundred seventy-five million, seventy-six thousand, seven hundred twelve".

Divisors: 1 2 4 8 43 86 89 172 178 344 356 712 3827 7654 15308 30616 2001407 4002814 8005628 16011256 86060501 172121002 178125223 344242004 356250446 688484008 712500892 1425001784 7659384589 15318769178 30637538356 61275076712