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520234484140 = 22573839702247
BaseRepresentation
bin1111001001000000110…
…01000100000110101100
31211201211000222000021001
413210200121010012230
532010420011443030
61034554210250044
752404616103440
oct7444031040654
91751730860231
10520234484140
111906a2892968
12849a9586924
133a09a294a07
141b272706820
15d7ec26acca
hex79206441ac

520234484140 has 48 divisors (see below), whose sum is σ = 1251822845952. Its totient is φ = 177900382656.

The previous prime is 520234484123. The next prime is 520234484201. The reversal of 520234484140 is 41484432025.

It is a self number, because there is not a number n which added to its sum of digits gives 520234484140.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4797504 + ... + 4904743.

It is an arithmetic number, because the mean of its divisors is an integer number (26079642624).

Almost surely, 2520234484140 is an apocalyptic number.

It is an amenable number.

520234484140 is an abundant number, since it is smaller than the sum of its proper divisors (731588361812).

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

520234484140 is a wasteful number, since it uses less digits than its factorization.

520234484140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9702646 (or 9702644 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 37.

The spelling of 520234484140 in words is "five hundred twenty billion, two hundred thirty-four million, four hundred eighty-four thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 383 766 1532 1915 2681 3830 5362 7660 10724 13405 26810 53620 9702247 19404494 38808988 48511235 67915729 97022470 135831458 194044940 271662916 339578645 679157290 1358314580 3715960601 7431921202 14863842404 18579803005 26011724207 37159606010 52023448414 74319212020 104046896828 130058621035 260117242070 520234484140