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15330680997 = 3137136127407
BaseRepresentation
bin11100100011100011…
…11010000010100101
31110120102101021201220
432101301322002211
5222344123242442
611013125410553
71051623431652
oct162161720245
943512337656
1015330680997
1165578515a5
122b7a269a59
1315a41c9a98
14a56102c29
155ead83eec
hex391c7a0a5

15330680997 has 16 divisors (see below), whose sum is σ = 20605992192. Its totient is φ = 10138027520.

The previous prime is 15330680983. The next prime is 15330681011. The reversal of 15330680997 is 79908603351.

It is an interprime number because it is at equal distance from previous prime (15330680983) and next prime (15330681011).

It is a cyclic number.

It is not a de Polignac number, because 15330680997 - 28 = 15330680741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15330680957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 545668 + ... + 573074.

It is an arithmetic number, because the mean of its divisors is an integer number (1287874512).

Almost surely, 215330680997 is an apocalyptic number.

It is an amenable number.

15330680997 is a deficient number, since it is larger than the sum of its proper divisors (5275311195).

15330680997 is a wasteful number, since it uses less digits than its factorization.

15330680997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28908.

The product of its (nonzero) digits is 1224720, while the sum is 51.

The spelling of 15330680997 in words is "fifteen billion, three hundred thirty million, six hundred eighty thousand, nine hundred ninety-seven".

Divisors: 1 3 137 411 1361 4083 27407 82221 186457 559371 3754759 11264277 37300927 111902781 5110226999 15330680997