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6820862080 = 27571150107
BaseRepresentation
bin1100101101000111…
…00001100010000000
3122121100122200202111
412112203201202000
5102432120041310
63044454425104
7331012241164
oct62643414200
918540580674
106820862080
1129902206aa
1213a4362194
13849174586
14489c48ca4
1529dc3128a
hex1968e1880

6820862080 has 64 divisors (see below), whose sum is σ = 16535897280. Its totient is φ = 2689899520.

The previous prime is 6820862053. The next prime is 6820862093. The reversal of 6820862080 is 802680286.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29614 + ... + 120493.

It is an arithmetic number, because the mean of its divisors is an integer number (258373395).

Almost surely, 26820862080 is an apocalyptic number.

It is an amenable number.

6820862080 is an abundant number, since it is smaller than the sum of its proper divisors (9715035200).

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

6820862080 is a wasteful number, since it uses less digits than its factorization.

6820862080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150197 (or 150185 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 6820862080 is about 82588.5105810730. The cubic root of 6820862080 is about 1896.4719459901.

The spelling of 6820862080 in words is "six billion, eight hundred twenty million, eight hundred sixty-two thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 71 80 128 142 160 284 320 355 568 640 710 1136 1420 2272 2840 4544 5680 9088 11360 22720 45440 150107 300214 600428 750535 1200856 1501070 2401712 3002140 4803424 6004280 9606848 10657597 12008560 19213696 21315194 24017120 42630388 48034240 53287985 85260776 96068480 106575970 170521552 213151940 341043104 426303880 682086208 852607760 1364172416 1705215520 3410431040 6820862080