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7001920920 = 2335307190063
BaseRepresentation
bin1101000010101100…
…01101010110011000
3200001222100102210110
412201112031112120
5103314442432140
63114443244320
7335341226421
oct64126152630
920058312713
107001920920
112a73446905
121434b196a0
13877829397
144a5cda648
152aea98380
hex1a158d598

7001920920 has 64 divisors (see below), whose sum is σ = 21074296320. Its totient is φ = 1861087104.

The previous prime is 7001920901. The next prime is 7001920943. The reversal of 7001920920 is 290291007.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58192 + ... + 131871.

It is an arithmetic number, because the mean of its divisors is an integer number (329285880).

Almost surely, 27001920920 is an apocalyptic number.

It is an amenable number.

7001920920 is an abundant number, since it is smaller than the sum of its proper divisors (14072375400).

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

7001920920 is a wasteful number, since it uses less digits than its factorization.

7001920920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190384 (or 190380 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 7001920920 is about 83677.4815586607. The cubic root of 7001920920 is about 1913.1061471388.

The spelling of 7001920920 in words is "seven billion, one million, nine hundred twenty thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 307 614 921 1228 1535 1842 2456 3070 3684 4605 6140 7368 9210 12280 18420 36840 190063 380126 570189 760252 950315 1140378 1520504 1900630 2280756 2850945 3801260 4561512 5701890 7602520 11403780 22807560 58349341 116698682 175048023 233397364 291746705 350096046 466794728 583493410 700192092 875240115 1166986820 1400384184 1750480230 2333973640 3500960460 7001920920