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620425026102 = 237127509228517
BaseRepresentation
bin10010000011101000011…
…01101001101000110110
32012022102111010212221110
421001310031221220312
540131112301313402
61153004101255450
762552465465040
oct11016415515066
92168374125843
10620425026102
1121a136830a62
12a02ab104586
13466763c977b
1422058ba6a90
151121309256c
hex9074369a36

620425026102 has 64 divisors (see below), whose sum is σ = 1432094883840. Its totient is φ = 175522225536.

The previous prime is 620425026083. The next prime is 620425026121. The reversal of 620425026102 is 201620524026.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (620425026083) and next prime (620425026121).

It is a self number, because there is not a number n which added to its sum of digits gives 620425026102.

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, 2600748 + ... + 2829264.

It is an arithmetic number, because the mean of its divisors is an integer number (22376482560).

Almost surely, 2620425026102 is an apocalyptic number.

620425026102 is an abundant number, since it is smaller than the sum of its proper divisors (811669857738).

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

620425026102 is a wasteful number, since it uses less digits than its factorization.

620425026102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229165.

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 620425026102 in words is "six hundred twenty billion, four hundred twenty-five million, twenty-six thousand, one hundred two".

Divisors: 1 2 3 6 7 14 21 42 127 254 381 509 762 889 1018 1527 1778 2667 3054 3563 5334 7126 10689 21378 64643 129286 193929 228517 387858 452501 457034 685551 905002 1357503 1371102 1599619 2715006 3199238 4798857 9597714 29021659 58043318 87064977 116315153 174129954 203151613 232630306 348945459 406303226 609454839 697890918 814206071 1218909678 1628412142 2442618213 4885236426 14772024431 29544048862 44316073293 88632146586 103404171017 206808342034 310212513051 620425026102