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70505382100 = 22522617269413
BaseRepresentation
bin100000110101001110…
…0101100000011010100
320201222122022111210011
41001222130230003110
52123343334211400
652220103010004
75044121600566
oct1015234540324
9221878274704
1070505382100
11279a04a512a
12117b8139904
13685806540a
1435abbad336
151c79b8d8ba
hex106a72c0d4

70505382100 has 36 divisors (see below), whose sum is σ = 153055709884. Its totient is φ = 28191271680.

The previous prime is 70505382071. The next prime is 70505382113. The reversal of 70505382100 is 128350507.

It can be written as a sum of positive squares in 6 ways, for example, as 16301160976 + 54204221124 = 127676^2 + 232818^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126994 + ... + 396406.

Almost surely, 270505382100 is an apocalyptic number.

It is an amenable number.

70505382100 is an abundant number, since it is smaller than the sum of its proper divisors (82550327784).

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

70505382100 is a wasteful number, since it uses less digits than its factorization.

70505382100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272044 (or 272037 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The spelling of 70505382100 in words is "seventy billion, five hundred five million, three hundred eighty-two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 2617 5234 10468 13085 26170 52340 65425 130850 261700 269413 538826 1077652 1347065 2694130 5388260 6735325 13470650 26941300 705053821 1410107642 2820215284 3525269105 7050538210 14101076420 17626345525 35252691050 70505382100