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105061434656 = 254180077313
BaseRepresentation
bin110000111011000100…
…1100100010100100000
3101001011220121212022112
41201312021210110200
53210131211402111
6120133051054452
710406343313523
oct1416611442440
9331156555275
10105061434656
1140613493952
1218440a41428
139ba42cb2a9
145129354bba
152aed778e8b
hex1876264520

105061434656 has 24 divisors (see below), whose sum is σ = 211884572844. Its totient is φ = 51249479680.

The previous prime is 105061434637. The next prime is 105061434671. The reversal of 105061434656 is 656434160501.

It can be written as a sum of positive squares in 2 ways, for example, as 104032051600 + 1029383056 = 322540^2 + 32084^2 .

It is a super-2 number, since 2×1050614346562 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40037345 + ... + 40039968.

Almost surely, 2105061434656 is an apocalyptic number.

105061434656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

105061434656 is an abundant number, since it is smaller than the sum of its proper divisors (106823138188).

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

105061434656 is an equidigital number, since it uses as much as digits as its factorization.

105061434656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80077364 (or 80077356 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 105061434656 in words is "one hundred five billion, sixty-one million, four hundred thirty-four thousand, six hundred fifty-six".

Divisors: 1 2 4 8 16 32 41 82 164 328 656 1312 80077313 160154626 320309252 640618504 1281237008 2562474016 3283169833 6566339666 13132679332 26265358664 52530717328 105061434656