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1472931297317 = 7571945748081
BaseRepresentation
bin10101011011110001100…
…010111111100000100101
312012210220010002120022202
4111123301202333200211
5143113030403003232
63044353313304245
7211262416311014
oct25336142774045
95183803076282
101472931297317
11518737355427
121b9569865085
13a8b8742c87c
145140c662a7b
15284aac93162
hex156f18bf825

1472931297317 has 4 divisors (see below), whose sum is σ = 1474877046156. Its totient is φ = 1470985548480.

The previous prime is 1472931297311. The next prime is 1472931297349. The reversal of 1472931297317 is 7137921392741.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1105023542401 + 367907754916 = 1051201^2 + 606554^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1472931297317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1472931297311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 972873284 + ... + 972874797.

It is an arithmetic number, because the mean of its divisors is an integer number (368719261539).

Almost surely, 21472931297317 is an apocalyptic number.

It is an amenable number.

1472931297317 is a deficient number, since it is larger than the sum of its proper divisors (1945748839).

1472931297317 is an equidigital number, since it uses as much as digits as its factorization.

1472931297317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945748838.

The product of its digits is 4000752, while the sum is 56.

The spelling of 1472931297317 in words is "one trillion, four hundred seventy-two billion, nine hundred thirty-one million, two hundred ninety-seven thousand, three hundred seventeen".

Divisors: 1 757 1945748081 1472931297317