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70030020102 = 2373753850271
BaseRepresentation
bin100000100111000011…
…1010100111000000110
320200202111211121201020
41001032013110320012
52121410141120402
652101002212010
75026260230550
oct1011607247006
9220674747636
1070030020102
1127777136679
12116a4ab4006
1367b0728823
1435649cc4d0
151c4d0908bc
hex104e1d4e06

70030020102 has 64 divisors (see below), whose sum is σ = 167496781824. Its totient is φ = 19100465280.

The previous prime is 70030020097. The next prime is 70030020113. The reversal of 70030020102 is 20102003007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 342774 + ... + 507497.

It is an arithmetic number, because the mean of its divisors is an integer number (2617137216).

Almost surely, 270030020102 is an apocalyptic number.

70030020102 is an abundant number, since it is smaller than the sum of its proper divisors (97466761722).

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

70030020102 is a wasteful number, since it uses less digits than its factorization.

70030020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850373.

The product of its (nonzero) digits is 84, while the sum is 15.

Adding to 70030020102 its reverse (20102003007), we get a palindrome (90132023109).

The spelling of 70030020102 in words is "seventy billion, thirty million, twenty thousand, one hundred two".

Divisors: 1 2 3 6 7 14 21 37 42 53 74 106 111 159 222 259 318 371 518 742 777 1113 1554 1961 2226 3922 5883 11766 13727 27454 41181 82362 850271 1700542 2550813 5101626 5951897 11903794 17855691 31460027 35711382 45064363 62920054 90128726 94380081 135193089 188760162 220220189 270386178 315450541 440440378 630901082 660660567 946351623 1321321134 1667381431 1892703246 3334762862 5002144293 10004288586 11671670017 23343340034 35015010051 70030020102