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6135661088 = 256122272
BaseRepresentation
bin1011011011011011…
…01100001000100000
3120211121022212200222
411231231230020200
5100031212123323
62452500302212
7305022154514
oct55555541040
916747285628
106135661088
112669469a97
1212329a1968
1376a2171bb
14422c44144
1525d9d39c8
hex16db6c220

6135661088 has 54 divisors (see below), whose sum is σ = 12335194053. Its totient is φ = 3004245120.

The previous prime is 6135661073. The next prime is 6135661177. The reversal of 6135661088 is 8801665316.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 4156123024 + 1979538064 = 64468^2 + 44492^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=55388.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 27029231 + ... + 27029457.

Almost surely, 26135661088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6135661088

6135661088 is an abundant number, since it is smaller than the sum of its proper divisors (6199532965).

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

6135661088 is an frugal number, since it uses more digits than its factorization.

6135661088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 6135661088 is about 78330.4607927210. The cubic root of 6135661088 is about 1830.7137956203.

The spelling of 6135661088 in words is "six billion, one hundred thirty-five million, six hundred sixty-one thousand, eighty-eight".

Divisors: 1 2 4 8 16 32 61 122 227 244 454 488 908 976 1816 1952 3632 3721 7264 7442 13847 14884 27694 29768 51529 55388 59536 103058 110776 119072 206116 221552 412232 443104 824464 844667 1648928 1689334 3143269 3378668 6286538 6757336 12573076 13514672 25146152 27029344 50292304 100584608 191739409 383478818 766957636 1533915272 3067830544 6135661088