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13079417337505 = 525745972214169
BaseRepresentation
bin1011111001010100101000…
…0001100011011010100001
31201022101021002020021121001
42332111022001203122201
53203243121314300010
643452333521432001
72516646104003461
oct276251201433241
951271232207531
1013079417337505
114192a4a11a922
121572a6649b601
1373b4cb184c0c
1433309364bba1
1517a35b90ec3a
hexbe54a0636a1

13079417337505 has 16 divisors (see below), whose sum is σ = 15759806665680. Its totient is φ = 10420547715072.

The previous prime is 13079417337487. The next prime is 13079417337559. The reversal of 13079417337505 is 50573371497031.

It can be written as a sum of positive squares in 8 ways, for example, as 1908688691809 + 11170728645696 = 1381553^2 + 3342264^2 .

It is a cyclic number.

It is not a de Polignac number, because 13079417337505 - 25 = 13079417337473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4800061 + ... + 7014229.

It is an arithmetic number, because the mean of its divisors is an integer number (984987916605).

Almost surely, 213079417337505 is an apocalyptic number.

It is an amenable number.

13079417337505 is a deficient number, since it is larger than the sum of its proper divisors (2680389328175).

13079417337505 is a wasteful number, since it uses less digits than its factorization.

13079417337505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2219028.

The product of its (nonzero) digits is 8334900, while the sum is 55.

The spelling of 13079417337505 in words is "thirteen trillion, seventy-nine billion, four hundred seventeen million, three hundred thirty-seven thousand, five hundred five".

Divisors: 1 5 257 1285 4597 22985 1181429 2214169 5907145 11070845 569041433 2845207165 10178534893 50892674465 2615883467501 13079417337505