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51764142793 = 1128339712983
BaseRepresentation
bin110000001101011000…
…100010001011001001
311221121112100220120211
4300031120202023021
51322003110032133
635440301121121
73511522645126
oct601530421311
9157545326524
1051764142793
111aa53566700
12a0478591a1
134b5c3b6abc
142710b5174d
15152e6b8bcd
hexc0d6222c9

51764142793 has 24 divisors (see below), whose sum is σ = 57732784704. Its totient is φ = 46370665440.

The previous prime is 51764142721. The next prime is 51764142803. The reversal of 51764142793 is 39724146715.

It is not a de Polignac number, because 51764142793 - 29 = 51764142281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51764142193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3980580 + ... + 3993562.

It is an arithmetic number, because the mean of its divisors is an integer number (2405532696).

Almost surely, 251764142793 is an apocalyptic number.

It is an amenable number.

51764142793 is a deficient number, since it is larger than the sum of its proper divisors (5968641911).

51764142793 is a wasteful number, since it uses less digits than its factorization.

51764142793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13485 (or 13474 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 49.

The spelling of 51764142793 in words is "fifty-one billion, seven hundred sixty-four million, one hundred forty-two thousand, seven hundred ninety-three".

Divisors: 1 11 83 121 397 913 4367 10043 12983 32951 48037 142813 362461 1077589 1570943 3987071 5154251 11853479 56696761 130388269 427802833 623664371 4705831163 51764142793