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201283012 = 22771103983
BaseRepresentation
bin10111111111101…
…01010111000100
3112000202020101101
423333311113010
5403012024022
631550105444
74662606640
oct1377652704
9460666341
10201283012
11a36899a7
12574ab284
1332916298
141ca37c20
1512a0e627
hexbff55c4

201283012 has 48 divisors (see below), whose sum is σ = 412618752. Its totient is φ = 84137760.

The previous prime is 201283007. The next prime is 201283013. The reversal of 201283012 is 210382102.

It is not an unprimeable number, because it can be changed into a prime (201283013) 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, 204273 + ... + 205255.

It is an arithmetic number, because the mean of its divisors is an integer number (8596224).

Almost surely, 2201283012 is an apocalyptic number.

It is an amenable number.

201283012 is an abundant number, since it is smaller than the sum of its proper divisors (211335740).

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

201283012 is a wasteful number, since it uses less digits than its factorization.

201283012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168 (or 1166 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 201283012 is about 14187.4244315168. The cubic root of 201283012 is about 586.0513997012.

The spelling of 201283012 in words is "two hundred one million, two hundred eighty-three thousand, twelve".

Divisors: 1 2 4 7 14 28 71 103 142 206 284 412 497 721 983 994 1442 1966 1988 2884 3932 6881 7313 13762 14626 27524 29252 51191 69793 101249 102382 139586 202498 204764 279172 404996 488551 708743 977102 1417486 1954204 2834972 7188679 14377358 28754716 50320753 100641506 201283012