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13086977382 = 2381277853
BaseRepresentation
bin11000011000000101…
…10110110101100110
31020210001110100000000
430030002312311212
5203300231234012
610002335202130
7642210321003
oct141402666546
936701410000
1013086977382
115606291896
122652976346
131307405bcb
148c212a8aa
15518dd2ddc
hex30c0b6d66

13086977382 has 72 divisors (see below), whose sum is σ = 29679826176. Its totient is φ = 4327425648.

The previous prime is 13086977363. The next prime is 13086977401. The reversal of 13086977382 is 28377968031.

13086977382 is a `hidden beast` number, since 130 + 8 + 69 + 77 + 382 = 666.

It is an interprime number because it is at equal distance from previous prime (13086977363) and next prime (13086977401).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1662568 + ... + 1670420.

It is an arithmetic number, because the mean of its divisors is an integer number (412219808).

Almost surely, 213086977382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13086977382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14839913088).

13086977382 is an abundant number, since it is smaller than the sum of its proper divisors (16592848794).

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

13086977382 is an frugal number, since it uses more digits than its factorization.

13086977382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8006 (or 7985 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 13086977382 in words is "thirteen billion, eighty-six million, nine hundred seventy-seven thousand, three hundred eighty-two".

Divisors: 1 2 3 6 9 18 27 54 81 127 162 243 254 381 486 729 762 1143 1458 2187 2286 3429 4374 6561 6858 7853 10287 13122 15706 20574 23559 30861 47118 61722 70677 92583 141354 185166 212031 277749 424062 555498 636093 833247 997331 1272186 1666494 1908279 1994662 2991993 3816558 5724837 5983986 8975979 11449674 17174511 17951958 26927937 34349022 51523533 53855874 80783811 103047066 161567622 242351433 484702866 727054299 1454108598 2181162897 4362325794 6543488691 13086977382