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11612030120 = 2351971215197
BaseRepresentation
bin10101101000010000…
…11000010010101000
31002222021002020201122
422310020120102220
5142240134430440
65200130034412
7560520425135
oct126410302250
932867066648
1011612030120
114a19763109
122300a18a08
131130975b52
147c22a958c
1547e6867b5
hex2b42184a8

11612030120 has 64 divisors (see below), whose sum is σ = 27889660800. Its totient is φ = 4338351360.

The previous prime is 11612030113. The next prime is 11612030123. The reversal of 11612030120 is 2103021611.

It is not an unprimeable number, because it can be changed into a prime (11612030123) 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, 53639 + ... + 161558.

It is an arithmetic number, because the mean of its divisors is an integer number (435775950).

Almost surely, 211612030120 is an apocalyptic number.

11612030120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11612030120 is an abundant number, since it is smaller than the sum of its proper divisors (16277630680).

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

11612030120 is a wasteful number, since it uses less digits than its factorization.

11612030120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215298 (or 215294 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11612030120 its reverse (2103021611), we get a palindrome (13715051731).

The spelling of 11612030120 in words is "eleven billion, six hundred twelve million, thirty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 19 20 38 40 71 76 95 142 152 190 284 355 380 568 710 760 1349 1420 2698 2840 5396 6745 10792 13490 26980 53960 215197 430394 860788 1075985 1721576 2151970 4088743 4303940 8177486 8607880 15278987 16354972 20443715 30557974 32709944 40887430 61115948 76394935 81774860 122231896 152789870 163549720 290300753 305579740 580601506 611159480 1161203012 1451503765 2322406024 2903007530 5806015060 11612030120