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690012630036 = 2232234717730821
BaseRepresentation
bin10100000101001111111…
…01010010110000010100
32102222001011111102202200
422002213331102300110
542301121213130121
61244553141204500
7100565104403562
oct12024775226024
92388034442680
10690012630036
112466a6160834
12b188ba00730
13500b6282482
142557ab0ca32
1512e37391a26
hexa0a7f52c14

690012630036 has 72 divisors (see below), whose sum is σ = 1858757531904. Its totient is φ = 215323078080.

The previous prime is 690012630017. The next prime is 690012630067. The reversal of 690012630036 is 630036210096.

690012630036 is a `hidden beast` number, since 6 + 9 + 0 + 0 + 12 + 630 + 0 + 3 + 6 = 666.

It is a super-2 number, since 2×6900126300362 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8826495 + ... + 8904326.

It is an arithmetic number, because the mean of its divisors is an integer number (25816076832).

Almost surely, 2690012630036 is an apocalyptic number.

It is an amenable number.

690012630036 is an abundant number, since it is smaller than the sum of its proper divisors (1168744901868).

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

690012630036 is a wasteful number, since it uses less digits than its factorization.

690012630036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17730901 (or 17730896 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The spelling of 690012630036 in words is "six hundred ninety billion, twelve million, six hundred thirty thousand, thirty-six".

Divisors: 1 2 3 4 6 9 12 18 23 36 46 47 69 92 94 138 141 188 207 276 282 414 423 564 828 846 1081 1692 2162 3243 4324 6486 9729 12972 19458 38916 17730821 35461642 53192463 70923284 106384926 159577389 212769852 319154778 407808883 638309556 815617766 833348587 1223426649 1631235532 1666697174 2446853298 2500045761 3333394348 3670279947 4893706596 5000091522 7340559894 7500137283 10000183044 14681119788 15000274566 19167017501 30000549132 38334035002 57501052503 76668070004 115002105006 172503157509 230004210012 345006315018 690012630036