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9900700871 = 93720695107
BaseRepresentation
bin10010011100010000…
…01011010011000111
3221112222220201022212
421032020023103013
5130234034411441
64314234214035
7500230366055
oct111610132307
927488821285
109900700871
114220762116
121b0388431b
13c1a2609a9
1469ccb51d5
153ce2e5eeb
hex24e20b4c7

9900700871 has 8 divisors (see below), whose sum is σ = 9917999280. Its totient is φ = 9883418688.

The previous prime is 9900700837. The next prime is 9900700889. The reversal of 9900700871 is 1780070099.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9900700871 - 26 = 9900700807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9900700171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1936100 + ... + 1941206.

It is an arithmetic number, because the mean of its divisors is an integer number (1239749910).

Almost surely, 29900700871 is an apocalyptic number.

9900700871 is a deficient number, since it is larger than the sum of its proper divisors (17298409).

9900700871 is a wasteful number, since it uses less digits than its factorization.

9900700871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8113.

The product of its (nonzero) digits is 31752, while the sum is 41.

The square root of 9900700871 is about 99502.2656576221. The cubic root of 9900700871 is about 2147.2798388891.

The spelling of 9900700871 in words is "nine billion, nine hundred million, seven hundred thousand, eight hundred seventy-one".

Divisors: 1 937 2069 5107 1938653 4785259 10566383 9900700871