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51430215046236 = 22313329680865681
BaseRepresentation
bin10111011000110100001111…
…01100101101010001011100
320202002200101010002102222020
423230122013230231101130
523220113040022434421
6301214414205220140
713555465446632025
oct1354320754552134
9222080333072866
1051430215046236
1115429482679874
12592762ab61650
132290b05116920
14c9b342a39c4c
155e2c40725dc6
hex2ec687b2d45c

51430215046236 has 24 divisors (see below), whose sum is σ = 129234899347344. Its totient is φ = 15824681552640.

The previous prime is 51430215046219. The next prime is 51430215046297. The reversal of 51430215046236 is 63264051203415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164840432685 + ... + 164840432996.

It is an arithmetic number, because the mean of its divisors is an integer number (5384787472806).

Almost surely, 251430215046236 is an apocalyptic number.

It is an amenable number.

51430215046236 is an abundant number, since it is smaller than the sum of its proper divisors (77804684301108).

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

51430215046236 is a wasteful number, since it uses less digits than its factorization.

51430215046236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329680865701 (or 329680865699 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 51430215046236 in words is "fifty-one trillion, four hundred thirty billion, two hundred fifteen million, forty-six thousand, two hundred thirty-six".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 329680865681 659361731362 989042597043 1318723462724 1978085194086 3956170388172 4285851253853 8571702507706 12857553761559 17143405015412 25715107523118 51430215046236