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13420786402 = 2292397691259
BaseRepresentation
bin11000111111111000…
…01111001011100010
31021122022120120220001
430133330033023202
5204441210131102
610055422010214
7653402542102
oct143774171342
937568516801
1013420786402
115767758511
12272671696a
13135b61063a
149145c1202
1553836e487
hex31ff0f2e2

13420786402 has 32 divisors (see below), whose sum is σ = 20956320000. Its totient is φ = 6438383616.

The previous prime is 13420786369. The next prime is 13420786403. The reversal of 13420786402 is 20468702431.

It is not an unprimeable number, because it can be changed into a prime (13420786403) 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, 10659249 + ... + 10660507.

It is an arithmetic number, because the mean of its divisors is an integer number (654885000).

Almost surely, 213420786402 is an apocalyptic number.

13420786402 is a deficient number, since it is larger than the sum of its proper divisors (7535533598).

13420786402 is a wasteful number, since it uses less digits than its factorization.

13420786402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2298.

The product of its (nonzero) digits is 64512, while the sum is 37.

The spelling of 13420786402 in words is "thirteen billion, four hundred twenty million, seven hundred eighty-six thousand, four hundred two".

Divisors: 1 2 29 58 239 478 769 1259 1538 2518 6931 13862 22301 36511 44602 73022 183791 300901 367582 601802 968171 1936342 5329939 8726129 10659878 17452258 28076959 56153918 231392869 462785738 6710393201 13420786402