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136061031 = 3233974967
BaseRepresentation
bin10000001110000…
…10000001100111
3100111000121122110
420013002001213
5234312423111
621300132103
73241333251
oct1007020147
9314017573
10136061031
116a891737
1239697033
132225b4b2
14140dacd1
15be295a6
hex81c2067

136061031 has 16 divisors (see below), whose sum is σ = 189817344. Its totient is φ = 86527584.

The previous prime is 136060973. The next prime is 136061041. The reversal of 136061031 is 130160631.

It is not a de Polignac number, because 136061031 - 223 = 127672423 is a prime.

It is a super-2 number, since 2×1360610312 = 37025208313565922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 136060989 and 136061007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136061041) 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, 24910 + ... + 29876.

It is an arithmetic number, because the mean of its divisors is an integer number (11863584).

Almost surely, 2136061031 is an apocalyptic number.

136061031 is a deficient number, since it is larger than the sum of its proper divisors (53756313).

136061031 is a wasteful number, since it uses less digits than its factorization.

136061031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5390.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 136061031 is about 11664.5201787300. The cubic root of 136061031 is about 514.3332320622. Note that the first 3 decimals are identical.

The spelling of 136061031 in words is "one hundred thirty-six million, sixty-one thousand, thirty-one".

Divisors: 1 3 23 69 397 1191 4967 9131 14901 27393 114241 342723 1971899 5915697 45353677 136061031