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55124450004 = 22313353361859
BaseRepresentation
bin110011010101101011…
…000101101011010100
312021021201101012111110
4303111223011223110
51400343324400004
641153540135020
73661015044141
oct632553055324
9167251335443
1055124450004
11214183511a8
12a825097470
135276622b70
14294d1493c8
1516796d0589
hexcd5ac5ad4

55124450004 has 24 divisors (see below), whose sum is σ = 138517849120. Its totient is φ = 16961369184.

The previous prime is 55124449997. The next prime is 55124450023. The reversal of 55124450004 is 40005442155.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176680774 + ... + 176681085.

Almost surely, 255124450004 is an apocalyptic number.

It is an amenable number.

55124450004 is an abundant number, since it is smaller than the sum of its proper divisors (83393399116).

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

55124450004 is a wasteful number, since it uses less digits than its factorization.

55124450004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353361879 (or 353361877 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 55124450004 its reverse (40005442155), we get a palindrome (95129892159).

The spelling of 55124450004 in words is "fifty-five billion, one hundred twenty-four million, four hundred fifty thousand, four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 353361859 706723718 1060085577 1413447436 2120171154 4240342308 4593704167 9187408334 13781112501 18374816668 27562225002 55124450004