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138467769836 = 221129941115321
BaseRepresentation
bin1000000011110101010…
…0100111110111101100
3111020102001112112002212
42000331110213313230
54232040222113321
6143340004505552
713001234423654
oct2007524476754
9436361475085
10138467769836
11537a649aa20
1222a046ab2b8
13100992c6926
1469b7d39364
15390645c55b
hex203d527dec

138467769836 has 48 divisors (see below), whose sum is σ = 273755976480. Its totient is φ = 60704448000.

The previous prime is 138467769829. The next prime is 138467769851. The reversal of 138467769836 is 638967764831.

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, 1143056 + ... + 1258376.

It is an arithmetic number, because the mean of its divisors is an integer number (5703249510).

Almost surely, 2138467769836 is an apocalyptic number.

It is an amenable number.

138467769836 is a deficient number, since it is larger than the sum of its proper divisors (135288206644).

138467769836 is a wasteful number, since it uses less digits than its factorization.

138467769836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116306 (or 116304 counting only the distinct ones).

The product of its digits is 219469824, while the sum is 68.

The spelling of 138467769836 in words is "one hundred thirty-eight billion, four hundred sixty-seven million, seven hundred sixty-nine thousand, eight hundred thirty-six".

Divisors: 1 2 4 11 22 29 44 58 116 319 638 941 1276 1882 3764 10351 20702 27289 41404 54578 109156 115321 230642 300179 461284 600358 1200716 1268531 2537062 3344309 5074124 6688618 13377236 36787399 73574798 108517061 147149596 217034122 434068244 1193687671 2387375342 3146994769 4774750684 6293989538 12587979076 34616942459 69233884918 138467769836