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83497959307374 = 23371073515111531
BaseRepresentation
bin10010111111000011100010…
…001101000011100001101110
3101221122022211100102002022020
4102333003202031003201232
541421012310040313444
6453330233304131010
723405346161500653
oct2277034215034156
9357568740362266
1083497959307374
1124672316272787
129446569766a66
133778a92ab8951
141689473a61c2a
1599be90a61119
hex4bf0e234386e

83497959307374 has 32 divisors (see below), whose sum is σ = 173112212727936. Its totient is φ = 26827331196960.

The previous prime is 83497959307309. The next prime is 83497959307381. The reversal of 83497959307374 is 47370395979438.

It is a self number, because there is not a number n which added to its sum of digits gives 83497959307374.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1757532012 + ... + 1757579519.

It is an arithmetic number, because the mean of its divisors is an integer number (5409756647748).

Almost surely, 283497959307374 is an apocalyptic number.

83497959307374 is an abundant number, since it is smaller than the sum of its proper divisors (89614253420562).

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

83497959307374 is a wasteful number, since it uses less digits than its factorization.

83497959307374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3515111680.

The product of its (nonzero) digits is 4320812160, while the sum is 78.

The spelling of 83497959307374 in words is "eighty-three trillion, four hundred ninety-seven billion, nine hundred fifty-nine million, three hundred seven thousand, three hundred seventy-four".

Divisors: 1 2 3 6 37 74 107 111 214 222 321 642 3959 7918 11877 23754 3515111531 7030223062 10545334593 21090669186 130059126647 260118253294 376116933817 390177379941 752233867634 780354759882 1128350801451 2256701602902 13916326551229 27832653102458 41748979653687 83497959307374