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5212851892542 = 232779751909461
BaseRepresentation
bin100101111011011011000…
…1011110111000100111110
3200110100021121111121010200
41023312312023313010332
51140401410041030132
615030430123144330
71045421220665460
oct113666613670476
920410247447120
105212851892542
11172a837aa3858
127023516750a6
132ba753b99788
1414043667c130
15908e90ddd7c
hex4bdb62f713e

5212851892542 has 48 divisors (see below), whose sum is σ = 12924210210912. Its totient is φ = 1487517485760.

The previous prime is 5212851892529. The next prime is 5212851892601. The reversal of 5212851892542 is 2452981582125.

5212851892542 is a `hidden beast` number, since 5 + 2 + 1 + 2 + 8 + 5 + 1 + 8 + 92 + 542 = 666.

It is a super-2 number, since 2×52128518925422 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25854309 + ... + 26055152.

It is an arithmetic number, because the mean of its divisors is an integer number (269254379394).

Almost surely, 25212851892542 is an apocalyptic number.

5212851892542 is an abundant number, since it is smaller than the sum of its proper divisors (7711358318370).

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

5212851892542 is a wasteful number, since it uses less digits than its factorization.

5212851892542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51910273 (or 51910270 counting only the distinct ones).

The product of its digits is 4608000, while the sum is 54.

The spelling of 5212851892542 in words is "five trillion, two hundred twelve billion, eight hundred fifty-one million, eight hundred ninety-two thousand, five hundred forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 797 1594 2391 4782 5579 7173 11158 14346 16737 33474 50211 100422 51909461 103818922 155728383 311456766 363366227 467185149 726732454 934370298 1090098681 2180197362 3270296043 6540592086 41371840417 82743680834 124115521251 248231042502 289602882919 372346563753 579205765838 744693127506 868808648757 1737617297514 2606425946271 5212851892542