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6990484004 = 227318053553
BaseRepresentation
bin1101000001010101…
…00101001000100100
3200001011211101021222
412200222211020210
5103304030442004
63113354155512
7335142063560
oct64052451044
920034741258
106990484004
112a67a45109
121431122b98
1387535378a
144a45a06a0
152ada897be
hex1a0aa5224

6990484004 has 24 divisors (see below), whose sum is σ = 14431968768. Its totient is φ = 2899278720.

The previous prime is 6990483979. The next prime is 6990484019. The reversal of 6990484004 is 4004840996.

It is a happy number.

It is a super-2 number, since 2×69904840042 = 97733733220359744032, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

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, 4025909 + ... + 4027644.

It is an arithmetic number, because the mean of its divisors is an integer number (601332032).

Almost surely, 26990484004 is an apocalyptic number.

It is an amenable number.

6990484004 is an abundant number, since it is smaller than the sum of its proper divisors (7441484764).

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

6990484004 is a wasteful number, since it uses less digits than its factorization.

6990484004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8053595 (or 8053593 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 6990484004 is about 83609.1143596199. The cubic root of 6990484004 is about 1912.0639589402.

The spelling of 6990484004 in words is "six billion, nine hundred ninety million, four hundred eighty-four thousand, four".

Divisors: 1 2 4 7 14 28 31 62 124 217 434 868 8053553 16107106 32214212 56374871 112749742 225499484 249660143 499320286 998640572 1747621001 3495242002 6990484004