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70871619132 = 22328951219937
BaseRepresentation
bin100001000000001000…
…1110001011000111100
320202221011110021112200
41002000101301120330
52130121113303012
652320304431500
75056156552206
oct1020021613074
9222834407480
1070871619132
11280691aa466
121189a918590
1368b5bb5012
1436046a5776
151c9bdd33dc
hex108047163c

70871619132 has 36 divisors (see below), whose sum is σ = 179168532816. Its totient is φ = 23621126400.

The previous prime is 70871619113. The next prime is 70871619139. The reversal of 70871619132 is 23191617807.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70871619139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 212268 + ... + 432204.

Almost surely, 270871619132 is an apocalyptic number.

It is an amenable number.

70871619132 is an abundant number, since it is smaller than the sum of its proper divisors (108296913684).

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

70871619132 is a wasteful number, since it uses less digits than its factorization.

70871619132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228898 (or 228893 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The spelling of 70871619132 in words is "seventy billion, eight hundred seventy-one million, six hundred nineteen thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 8951 17902 26853 35804 53706 80559 107412 161118 219937 322236 439874 659811 879748 1319622 1979433 2639244 3958866 7917732 1968656087 3937312174 5905968261 7874624348 11811936522 17717904783 23623873044 35435809566 70871619132