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13047077456 = 247116491763
BaseRepresentation
bin11000010011010101…
…01001101001010000
31020200021101012120222
430021222221221100
5203210022434311
65554352052212
7641214220460
oct141152515120
936607335528
1013047077456
11559580a446
122641534068
1312cc075a9a
148bab01ba0
15515650adb
hex309aa9a50

13047077456 has 20 divisors (see below), whose sum is σ = 28889957472. Its totient is φ = 5591604576.

The previous prime is 13047077447. The next prime is 13047077473. The reversal of 13047077456 is 65477074031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58245770 + ... + 58245993.

Almost surely, 213047077456 is an apocalyptic number.

13047077456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13047077456 is an abundant number, since it is smaller than the sum of its proper divisors (15842880016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13047077456 is a wasteful number, since it uses less digits than its factorization.

13047077456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116491778 (or 116491772 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 44.

The spelling of 13047077456 in words is "thirteen billion, forty-seven million, seventy-seven thousand, four hundred fifty-six".

Divisors: 1 2 4 7 8 14 16 28 56 112 116491763 232983526 465967052 815442341 931934104 1630884682 1863868208 3261769364 6523538728 13047077456