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72955006289 = 1119073477857
BaseRepresentation
bin100001111110001110…
…1010000110101010001
320222022100201022102222
41003330131100311101
52143402440200124
653303130550425
75161615215224
oct1037435206521
9228270638388
1072955006289
1128a38221030
1212180598415
136b58707399
1437612695bb
151d6ec6825e
hex10fc750d51

72955006289 has 8 divisors (see below), whose sum is σ = 79629036768. Its totient is φ = 66287935360.

The previous prime is 72955006237. The next prime is 72955006301. The reversal of 72955006289 is 98260055927.

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-72955006289 is a prime.

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 72955006289.

It is not an unprimeable number, because it can be changed into a prime (72955006489) 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, 1717952 + ... + 1759905.

It is an arithmetic number, because the mean of its divisors is an integer number (9953629596).

Almost surely, 272955006289 is an apocalyptic number.

It is an amenable number.

72955006289 is a deficient number, since it is larger than the sum of its proper divisors (6674030479).

72955006289 is a wasteful number, since it uses less digits than its factorization.

72955006289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3479775.

The product of its (nonzero) digits is 2721600, while the sum is 53.

The spelling of 72955006289 in words is "seventy-two billion, nine hundred fifty-five million, six thousand, two hundred eighty-nine".

Divisors: 1 11 1907 20977 3477857 38256427 6632273299 72955006289