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79240846940 = 2253962042347
BaseRepresentation
bin100100111001100011…
…1110101111001011100
321120112102122002202222
41021303013311321130
52244241124100230
6100222554204512
75503443041243
oct1116307657134
9246472562688
1079240846940
1130673435162
1213435723738
13761aa84118
143b9a00395a
1520dba146e5
hex12731f5e5c

79240846940 has 12 divisors (see below), whose sum is σ = 166405778616. Its totient is φ = 31696338768.

The previous prime is 79240846939. The next prime is 79240846961. The reversal of 79240846940 is 4964804297.

It is a super-2 number, since 2×792408469402 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 1981021154 + ... + 1981021193.

It is an arithmetic number, because the mean of its divisors is an integer number (13867148218).

Almost surely, 279240846940 is an apocalyptic number.

It is an amenable number.

79240846940 is an abundant number, since it is smaller than the sum of its proper divisors (87164931676).

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

79240846940 is a wasteful number, since it uses less digits than its factorization.

79240846940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3962042356 (or 3962042354 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 79240846940 in words is "seventy-nine billion, two hundred forty million, eight hundred forty-six thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 3962042347 7924084694 15848169388 19810211735 39620423470 79240846940