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83902637612 = 2282787253369
BaseRepresentation
bin100111000100011111…
…1001010011000101100
322000120022121121100202
41032020333022120230
52333313033400422
6102313324413032
76030120436553
oct1161077123054
9260508547322
1083902637612
1132645940522
12143169a7178
137bb1827441
1440bd1c6d9a
1522b0e10b92
hex1388fca62c

83902637612 has 12 divisors (see below), whose sum is σ = 146831968920. Its totient is φ = 41950646496.

The previous prime is 83902637603. The next prime is 83902637617. The reversal of 83902637612 is 21673620938.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (83902637617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204464 + ... + 457832.

It is an arithmetic number, because the mean of its divisors is an integer number (12235997410).

Almost surely, 283902637612 is an apocalyptic number.

It is an amenable number.

83902637612 is a deficient number, since it is larger than the sum of its proper divisors (62929331308).

83902637612 is a wasteful number, since it uses less digits than its factorization.

83902637612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336160 (or 336158 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 47.

The spelling of 83902637612 in words is "eighty-three billion, nine hundred two million, six hundred thirty-seven thousand, six hundred twelve".

Divisors: 1 2 4 82787 165574 253369 331148 506738 1013476 20975659403 41951318806 83902637612