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6990530746 = 28397743103
BaseRepresentation
bin1101000001010101…
…10000100010111010
3200001011220202102011
412200222300202322
5103304033440441
63113355200134
7335142350053
oct64052604272
920034822364
106990530746
112a67a77241
12143114604a
1387536bb34
144a45b372a
152ada98581
hex1a0ab08ba

6990530746 has 16 divisors (see below), whose sum is σ = 10623239424. Its totient is φ = 3449539264.

The previous prime is 6990530717. The next prime is 6990530753. The reversal of 6990530746 is 6470350996.

It is a super-2 number, since 2×69905307462 = 97735040221542633032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6990530746.

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, 140631 + ... + 183733.

It is an arithmetic number, because the mean of its divisors is an integer number (663952464).

Almost surely, 26990530746 is an apocalyptic number.

6990530746 is a deficient number, since it is larger than the sum of its proper divisors (3632708678).

6990530746 is a wasteful number, since it uses less digits than its factorization.

6990530746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44165.

The product of its (nonzero) digits is 1224720, while the sum is 49.

The square root of 6990530746 is about 83609.3938860939. The cubic root of 6990530746 is about 1912.0682206143.

The spelling of 6990530746 in words is "six billion, nine hundred ninety million, five hundred thirty thousand, seven hundred forty-six".

Divisors: 1 2 83 166 977 1954 43103 81091 86206 162182 3577549 7155098 42111631 84223262 3495265373 6990530746