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2992439698391 = 1113471632731517
BaseRepresentation
bin101011100010111011010…
…011100010001111010111
3101121002000021020011100102
4223202323103202033113
5343012004030322031
610210412520004315
7426124305516323
oct53427323421727
911532007204312
102992439698391
11a540a5219230
12403b5600069b
1318925541a860
14a4b98ba8983
1552c90b4e7cb
hex2b8bb4e23d7

2992439698391 has 32 divisors (see below), whose sum is σ = 3612421628928. Its totient is φ = 2442630867840.

The previous prime is 2992439698379. The next prime is 2992439698393. The reversal of 2992439698391 is 1938969342992.

It is a cyclic number.

It is not a de Polignac number, because 2992439698391 - 26 = 2992439698327 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 (2992439698393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 270236 + ... + 2461281.

It is an arithmetic number, because the mean of its divisors is an integer number (112888175904).

Almost surely, 22992439698391 is an apocalyptic number.

2992439698391 is a deficient number, since it is larger than the sum of its proper divisors (619981930537).

2992439698391 is a wasteful number, since it uses less digits than its factorization.

2992439698391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2731751.

The product of its digits is 408146688, while the sum is 74.

The spelling of 2992439698391 in words is "two trillion, nine hundred ninety-two billion, four hundred thirty-nine million, six hundred ninety-eight thousand, three hundred ninety-one".

Divisors: 1 11 13 47 143 163 517 611 1793 2119 6721 7661 23309 84271 99593 1095523 2731517 30046687 35509721 128381299 390606931 445237271 1412194289 1668956887 4897609981 5788084523 18358525757 20926151737 63668929753 230187669107 272039972581 2992439698391