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200001000012 = 223117919179229
BaseRepresentation
bin1011101001000011111…
…1010001001001001100
3201010020102011111020220
42322100333101021030
511234100224000022
6231513523311340
720310132310332
oct2722077211114
9633212144226
10200001000012
1177902394560
1232917b1b550
1315b245ac3b8
1499742a1b52
1553085c085c
hex2e90fd124c

200001000012 has 48 divisors (see below), whose sum is σ = 515537702400. Its totient is φ = 59839191360.

The previous prime is 200001000007. The next prime is 200001000047. The reversal of 200001000012 is 210000100002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (6).

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, 9579187 + ... + 9600042.

It is an arithmetic number, because the mean of its divisors is an integer number (10740368800).

Almost surely, 2200001000012 is an apocalyptic number.

200001000012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

200001000012 is an abundant number, since it is smaller than the sum of its proper divisors (315536702388).

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

200001000012 is a wasteful number, since it uses less digits than its factorization.

200001000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19179326 (or 19179324 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

Adding to 200001000012 its reverse (210000100002), we get a palindrome (410001100014).

The spelling of 200001000012 in words is "two hundred billion, one million, twelve", and thus it is an aban number.

Divisors: 1 2 3 4 6 11 12 22 33 44 66 79 132 158 237 316 474 869 948 1738 2607 3476 5214 10428 19179229 38358458 57537687 76716916 115075374 210971519 230150748 421943038 632914557 843886076 1265829114 1515159091 2531658228 3030318182 4545477273 6060636364 9090954546 16666750001 18181909092 33333500002 50000250003 66667000004 100000500006 200001000012