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70539306620 = 22519331824607
BaseRepresentation
bin100000110110001111…
…0000110011001111100
320202002000011001110212
41001230132012121330
52123431030302440
652223314051552
75045013133106
oct1015436063174
9222060131425
1070539306620
1127a08666122
1211807579bb8
1368620b27b3
1435b24c0576
151c7cb40465
hex106c78667c

70539306620 has 24 divisors (see below), whose sum is σ = 148209258624. Its totient is φ = 28201110336.

The previous prime is 70539306599. The next prime is 70539306637. The reversal of 70539306620 is 2660393507.

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, 873644 + ... + 950963.

It is an arithmetic number, because the mean of its divisors is an integer number (6175385776).

Almost surely, 270539306620 is an apocalyptic number.

It is an amenable number.

70539306620 is an abundant number, since it is smaller than the sum of its proper divisors (77669952004).

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

70539306620 is a wasteful number, since it uses less digits than its factorization.

70539306620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826549 (or 1826547 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 41.

The spelling of 70539306620 in words is "seventy billion, five hundred thirty-nine million, three hundred six thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 1933 3866 7732 9665 19330 38660 1824607 3649214 7298428 9123035 18246070 36492140 3526965331 7053930662 14107861324 17634826655 35269653310 70539306620