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26914927949 = 713881335719
BaseRepresentation
bin11001000100010000…
…010011010101001101
32120110202012000010022
4121010100103111031
5420110210143244
620210424151525
71641656053460
oct310420232515
976422160108
1026914927949
1110461858808
1252719085a5
1326cc195990
1414348192d7
15a77d7d6ee
hex64441354d

26914927949 has 16 divisors (see below), whose sum is σ = 33163764480. Its totient is φ = 21271092480.

The previous prime is 26914927931. The next prime is 26914927961. The reversal of 26914927949 is 94972941962.

It is a cyclic number.

It is not a de Polignac number, because 26914927949 - 224 = 26898150733 is a prime.

It is a super-2 number, since 2×269149279492 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26914927891 and 26914927900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26914927999) 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, 87689 + ... + 248030.

It is an arithmetic number, because the mean of its divisors is an integer number (2072735280).

Almost surely, 226914927949 is an apocalyptic number.

It is an amenable number.

26914927949 is a deficient number, since it is larger than the sum of its proper divisors (6248836531).

26914927949 is a wasteful number, since it uses less digits than its factorization.

26914927949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336620.

The product of its digits is 17635968, while the sum is 62.

The spelling of 26914927949 in words is "twenty-six billion, nine hundred fourteen million, nine hundred twenty-seven thousand, nine hundred forty-nine".

Divisors: 1 7 13 91 881 6167 11453 80171 335719 2350033 4364347 30550429 295768439 2070379073 3844989707 26914927949