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70909076550 = 2352131710719991
BaseRepresentation
bin100001000001010000…
…0101010010001000110
320210000202221022110110
41002002200222101012
52130210210422200
652324123333450
75060123130414
oct1020240522106
9223022838413
1070909076550
1128088363804
12118ab381286
1368c089b480
1436096562b4
151ca0331b50
hex108282a446

70909076550 has 192 divisors, whose sum is σ = 202406045184. Its totient is φ = 16273459200.

The previous prime is 70909076543. The next prime is 70909076551. The reversal of 70909076550 is 5567090907.

It is a self number, because there is not a number n which added to its sum of digits gives 70909076550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70909076551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3537055 + ... + 3557045.

It is an arithmetic number, because the mean of its divisors is an integer number (1054198152).

Almost surely, 270909076550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70909076550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101203022592).

70909076550 is an abundant number, since it is smaller than the sum of its proper divisors (131496968634).

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

70909076550 is a wasteful number, since it uses less digits than its factorization.

70909076550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20143 (or 20138 counting only the distinct ones).

The product of its (nonzero) digits is 595350, while the sum is 48.

The spelling of 70909076550 in words is "seventy billion, nine hundred nine million, seventy-six thousand, five hundred fifty".