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83419824610640 = 2457148963972519
BaseRepresentation
bin10010111101111010110001…
…000000110101110101010000
3101221100212011000012020100102
4102331322301000311311100
541413222300100020030
6453230312142311532
723366612006516210
oct2275726100656520
9357325130166312
1083419824610640
1124642170273651
1294333a25885a8
1337715c025999b
14168578091c240
15999e1b1e9c45
hex4bdeb1035d50

83419824610640 has 40 divisors (see below), whose sum is σ = 221658391109760. Its totient is φ = 28601082723456.

The previous prime is 83419824610621. The next prime is 83419824610679. The reversal of 83419824610640 is 4601642891438.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (56).

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 7 ways as a sum of consecutive naturals, for example, 74481985700 + ... + 74481986819.

It is an arithmetic number, because the mean of its divisors is an integer number (5541459777744).

Almost surely, 283419824610640 is an apocalyptic number.

83419824610640 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

83419824610640 is an abundant number, since it is smaller than the sum of its proper divisors (138238566499120).

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

83419824610640 is a wasteful number, since it uses less digits than its factorization.

83419824610640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148963972539 (or 148963972533 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 56.

The spelling of 83419824610640 in words is "eighty-three trillion, four hundred nineteen billion, eight hundred twenty-four million, six hundred ten thousand, six hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 148963972519 297927945038 595855890076 744819862595 1042747807633 1191711780152 1489639725190 2085495615266 2383423560304 2979279450380 4170991230532 5213739038165 5958558900760 8341982461064 10427478076330 11917117801520 16683964922128 20854956152660 41709912305320 83419824610640