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72550094399 = 1923511624171
BaseRepresentation
bin100001110010001010…
…0101001011000111111
320221021010210122202022
41003210110221120333
52142040311010044
653155024150355
75145600425126
oct1034424513077
9227233718668
1072550094399
112884a700802
1212088a683bb
136ac2866153
143723586abd
151d494343ee
hex10e452963f

72550094399 has 8 divisors (see below), whose sum is σ = 76401050880. Its totient is φ = 68702391000.

The previous prime is 72550094347. The next prime is 72550094429. The reversal of 72550094399 is 99349005527.

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 72550094399 - 236 = 3830617663 is a prime.

It is a super-2 number, since 2×725500943992 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72550094399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72550094899) 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, 767417 + ... + 856754.

It is an arithmetic number, because the mean of its divisors is an integer number (9550131360).

Almost surely, 272550094399 is an apocalyptic number.

72550094399 is a deficient number, since it is larger than the sum of its proper divisors (3850956481).

72550094399 is a wasteful number, since it uses less digits than its factorization.

72550094399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626541.

The product of its (nonzero) digits is 3061800, while the sum is 53.

The spelling of 72550094399 in words is "seventy-two billion, five hundred fifty million, ninety-four thousand, three hundred ninety-nine".

Divisors: 1 19 2351 44669 1624171 30859249 3818426021 72550094399