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51130240544404 = 2273749353514039
BaseRepresentation
bin10111010000000101011111…
…10100110010111010010100
320201001000002101010212010201
423220002233310302322110
523200204213034410104
6300424524102430244
713525016011505140
oct1350025764627224
9221030071125121
1051130240544404
111532323890873a
125899472132384
13226b73a674bb8
14c8aa07054220
155da0354020a4
hex2e80afd32e94

51130240544404 has 24 divisors (see below), whose sum is σ = 105024277877120. Its totient is φ = 21320718064416.

The previous prime is 51130240544323. The next prime is 51130240544431. The reversal of 51130240544404 is 40444504203115.

51130240544404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×511302405444042 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24676755984 + ... + 24676758055.

Almost surely, 251130240544404 is an apocalyptic number.

It is an amenable number.

51130240544404 is an abundant number, since it is smaller than the sum of its proper divisors (53894037332716).

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

51130240544404 is a wasteful number, since it uses less digits than its factorization.

51130240544404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49353514087 (or 49353514085 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 51130240544404 its reverse (40444504203115), we get a palindrome (91574744747519).

The spelling of 51130240544404 in words is "fifty-one trillion, one hundred thirty billion, two hundred forty million, five hundred forty-four thousand, four hundred four".

Divisors: 1 2 4 7 14 28 37 74 148 259 518 1036 49353514039 98707028078 197414056156 345474598273 690949196546 1381898393092 1826080019443 3652160038886 7304320077772 12782560136101 25565120272202 51130240544404