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70903728270 = 23659726163
BaseRepresentation
bin100001000001000110…
…0010000100010001110
320210000101212121000000
41002002030100202032
52130202323301040
652323412545130
75060026513644
oct1020214204216
9223011777000
1070903728270
1128085340541
12118a96221a6
1368bc747ccb
143608a63194
151c9eb27130
hex108231088e

70903728270 has 56 divisors (see below), whose sum is σ = 191352550536. Its totient is φ = 18907658928.

The previous prime is 70903728227. The next prime is 70903728323. The reversal of 70903728270 is 7282730907.

70903728270 is a `hidden beast` number, since 7 + 0 + 9 + 0 + 372 + 8 + 270 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 4855792 + ... + 4870371.

It is an arithmetic number, because the mean of its divisors is an integer number (3417009831).

Almost surely, 270903728270 is an apocalyptic number.

70903728270 is an abundant number, since it is smaller than the sum of its proper divisors (120448822266).

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

70903728270 is an equidigital number, since it uses as much as digits as its factorization.

70903728270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9726188 (or 9726173 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The spelling of 70903728270 in words is "seventy billion, nine hundred three million, seven hundred twenty-eight thousand, two hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 243 270 405 486 729 810 1215 1458 2430 3645 7290 9726163 19452326 29178489 48630815 58356978 87535467 97261630 145892445 175070934 262606401 291784890 437677335 525212802 787819203 875354670 1313032005 1575638406 2363457609 2626064010 3939096015 4726915218 7090372827 7878192030 11817288045 14180745654 23634576090 35451864135 70903728270