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52900027140 = 22352338333353
BaseRepresentation
bin110001010001000101…
…100101101100000100
312001112200201210222110
4301101011211230010
51331314401332030
640145115101020
73551624545242
oct612105455404
9161480653873
1052900027140
11204867603a4
12a304141770
134cb081cc0c
1427bb951792
15159928c1b0
hexc51165b04

52900027140 has 48 divisors (see below), whose sum is σ = 154560083328. Its totient is φ = 13493339904.

The previous prime is 52900027133. The next prime is 52900027157. The reversal of 52900027140 is 4172000925.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 52900027098 and 52900027107.

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, 19165297 + ... + 19168056.

It is an arithmetic number, because the mean of its divisors is an integer number (3220001736).

Almost surely, 252900027140 is an apocalyptic number.

It is an amenable number.

52900027140 is an abundant number, since it is smaller than the sum of its proper divisors (101660056188).

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

52900027140 is a wasteful number, since it uses less digits than its factorization.

52900027140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38333388 (or 38333386 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The spelling of 52900027140 in words is "fifty-two billion, nine hundred million, twenty-seven thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 92 115 138 230 276 345 460 690 1380 38333353 76666706 115000059 153333412 191666765 230000118 383333530 460000236 575000295 766667060 881667119 1150000590 1763334238 2300001180 2645001357 3526668476 4408335595 5290002714 8816671190 10580005428 13225006785 17633342380 26450013570 52900027140