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72681739479029 = 2331101937923533
BaseRepresentation
bin10000100001101010001001…
…010000110110011111110101
3100112100022021101120102220002
4100201222021100312133311
534011304200301312104
6414325310303321045
721211040155061132
oct2041521120663765
9315308241512802
1072681739479029
112118217514395a
12819a25b5b0185
133172b215202c5
1413d3b5a375589
158609438b101e
hex421a894367f5

72681739479029 has 8 divisors (see below), whose sum is σ = 78288325274112. Its totient is φ = 67279029531120.

The previous prime is 72681739479017. The next prime is 72681739479047. The reversal of 72681739479029 is 92097493718627.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72681739479029 - 224 = 72681722701813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72681739479079) 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, 50968961054 + ... + 50968962479.

It is an arithmetic number, because the mean of its divisors is an integer number (9786040659264).

Almost surely, 272681739479029 is an apocalyptic number.

It is an amenable number.

72681739479029 is a deficient number, since it is larger than the sum of its proper divisors (5606585795083).

72681739479029 is a wasteful number, since it uses less digits than its factorization.

72681739479029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101937923587.

The product of its (nonzero) digits is 576108288, while the sum is 74.

The spelling of 72681739479029 in words is "seventy-two trillion, six hundred eighty-one billion, seven hundred thirty-nine million, four hundred seventy-nine thousand, twenty-nine".

Divisors: 1 23 31 713 101937923533 2344572241259 3160075629523 72681739479029