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72065667102101 = 1913369128370869
BaseRepresentation
bin10000011000101100011000…
…011111001111010110010101
3100110011102002020201001010022
4100120230120133033112111
533421210441234231401
6413134302130234525
721115400261216261
oct2030543037172625
9313142066631108
1072065667102101
1120a64972370722
1280ba986125a45
1331299bcb181ba
1413b1dd56bd0a1
1584e8d7a0271b
hex418b187cf595

72065667102101 has 8 divisors (see below), whose sum is σ = 75859167040800. Its totient is φ = 68272224172560.

The previous prime is 72065667102089. The next prime is 72065667102131. The reversal of 72065667102101 is 10120176656027.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-72065667102101 is a prime.

It is a super-2 number, since 2×720656671021012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72065667102131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11645306 + ... + 16725563.

It is an arithmetic number, because the mean of its divisors is an integer number (9482395880100).

Almost surely, 272065667102101 is an apocalyptic number.

It is an amenable number.

72065667102101 is a deficient number, since it is larger than the sum of its proper divisors (3793499938699).

72065667102101 is a wasteful number, since it uses less digits than its factorization.

72065667102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28504579.

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 72065667102101 in words is "seventy-two trillion, sixty-five billion, six hundred sixty-seven million, one hundred two thousand, one hundred one".

Divisors: 1 19 133691 2540129 28370869 539046511 3792929847479 72065667102101