Search a number
-
+
57011084880 = 2435237546187
BaseRepresentation
bin110101000110001000…
…000001111001010000
312110011012102012000020
4311012020001321100
51413224314204010
642105053223440
74055534140311
oct650610017120
9173135365006
1057011084880
11221a62a8982
12b070a91b80
1354b7457269
142a8b934608
15173a14d470
hexd46201e50

57011084880 has 40 divisors (see below), whose sum is σ = 176734363872. Its totient is φ = 15202955904.

The previous prime is 57011084873. The next prime is 57011084881. The reversal of 57011084880 is 8848011075.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×570110848802 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57011084881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118772854 + ... + 118773333.

Almost surely, 257011084880 is an apocalyptic number.

It is an amenable number.

57011084880 is an abundant number, since it is smaller than the sum of its proper divisors (119723278992).

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

57011084880 is a wasteful number, since it uses less digits than its factorization.

57011084880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237546203 (or 237546197 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 42.

The spelling of 57011084880 in words is "fifty-seven billion, eleven million, eighty-four thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 237546187 475092374 712638561 950184748 1187730935 1425277122 1900369496 2375461870 2850554244 3563192805 3800738992 4750923740 5701108488 7126385610 9501847480 11402216976 14252771220 19003694960 28505542440 57011084880