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70877016825 = 352945026891
BaseRepresentation
bin100001000000010011…
…0010111001011111001
320202221112121111210020
41002000212113023321
52130124004014300
652321020241053
75056253463006
oct1020046271371
9222845544706
1070877016825
112807125686a
12118a06a0189
1368b7054b14
1436052ac8ad
151c9c5ec8a0
hex10809972f9

70877016825 has 12 divisors (see below), whose sum is σ = 117183334608. Its totient is φ = 37801075600.

The previous prime is 70877016817. The next prime is 70877016829. The reversal of 70877016825 is 52861077807.

It is not a de Polignac number, because 70877016825 - 23 = 70877016817 is a prime.

It is a super-2 number, since 2×708770168252 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70877016829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 472513371 + ... + 472513520.

It is an arithmetic number, because the mean of its divisors is an integer number (9765277884).

Almost surely, 270877016825 is an apocalyptic number.

70877016825 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

70877016825 is a deficient number, since it is larger than the sum of its proper divisors (46306317783).

70877016825 is a wasteful number, since it uses less digits than its factorization.

70877016825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945026904 (or 945026899 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 51.

The spelling of 70877016825 in words is "seventy billion, eight hundred seventy-seven million, sixteen thousand, eight hundred twenty-five".

Divisors: 1 3 5 15 25 75 945026891 2835080673 4725134455 14175403365 23625672275 70877016825