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79625000000 = 26597213
BaseRepresentation
bin100101000101000000…
…1010001010001000000
321121112012111002201002
41022022001101101000
52301033000000000
6100325040031132
75516116222100
oct1121201212100
9247465432632
1079625000000
1130850267027
12135223024a8
13767c537720
143bd5041200
1521105e78d5
hex128a051440

79625000000 has 420 divisors, whose sum is σ = 247426732476. Its totient is φ = 25200000000.

The previous prime is 79624999933. The next prime is 79625000017. The reversal of 79625000000 is 52697.

It can be written as a sum of positive squares in 10 ways, for example, as 186704896 + 79438295104 = 13664^2 + 281848^2 .

It is a sliding number, since 79625000000 = 15625000000 + 64000000000 and 1/15625000000 + 1/64000000000 = 0.000000000079625000000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 6124999994 + ... + 6125000006.

Almost surely, 279625000000 is an apocalyptic number.

79625000000 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79625000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123713366238).

79625000000 is an abundant number, since it is smaller than the sum of its proper divisors (167801732476).

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

79625000000 is an frugal number, since it uses more digits than its factorization.

79625000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 27 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

Adding to 79625000000 its reverse (52697), we get a palindrome (79625052697).

The spelling of 79625000000 in words is "seventy-nine billion, six hundred twenty-five million", and thus it is an aban number.