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56954421330 = 2356728335533
BaseRepresentation
bin110101000010101111…
…111000000001010010
312110000020210101020020
4311002233320001102
51413120312440310
642055310524310
74054245410412
oct650257700122
9173006711206
1056954421330
11221773167a4
12b055b06696
1354a87a7b31
142a841c4642
1517351a9170
hexd42bf8052

56954421330 has 32 divisors (see below), whose sum is σ = 138730774464. Its totient is φ = 14961160896.

The previous prime is 56954421289. The next prime is 56954421331. The reversal of 56954421330 is 3312445965.

It is a super-2 number, since 2×569544213302 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56954421331) 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, 14165757 + ... + 14169776.

It is an arithmetic number, because the mean of its divisors is an integer number (4335336702).

Almost surely, 256954421330 is an apocalyptic number.

56954421330 is an abundant number, since it is smaller than the sum of its proper divisors (81776353134).

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

56954421330 is a wasteful number, since it uses less digits than its factorization.

56954421330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28335610.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 56954421330 in words is "fifty-six billion, nine hundred fifty-four million, four hundred twenty-one thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 67 134 201 335 402 670 1005 2010 28335533 56671066 85006599 141677665 170013198 283355330 425032995 850065990 1898480711 3796961422 5695442133 9492403555 11390884266 18984807110 28477210665 56954421330