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83990430274 = 2231825878919
BaseRepresentation
bin100111000111000111…
…0000100001001000010
322000210102210221020211
41032032032010021002
52334003022232044
6102330142224334
76032234610052
oct1161616041102
9260712727224
1083990430274
1132690454443
12143402850aa
137bc6a8576a
1440cab1b562
1522b89a3634
hex138e384242

83990430274 has 8 divisors (see below), whose sum is σ = 131463282240. Its totient is φ = 40169336196.

The previous prime is 83990430269. The next prime is 83990430281. The reversal of 83990430274 is 47203409938.

It is a happy number.

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

It is a super-2 number, since 2×839904302742 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 912939414 + ... + 912939505.

It is an arithmetic number, because the mean of its divisors is an integer number (16432910280).

Almost surely, 283990430274 is an apocalyptic number.

83990430274 is a deficient number, since it is larger than the sum of its proper divisors (47472851966).

83990430274 is a wasteful number, since it uses less digits than its factorization.

83990430274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825878944.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The spelling of 83990430274 in words is "eighty-three billion, nine hundred ninety million, four hundred thirty thousand, two hundred seventy-four".

Divisors: 1 2 23 46 1825878919 3651757838 41995215137 83990430274