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70051377106261 = 317239122081571
BaseRepresentation
bin11111110110110000110110…
…11100101100110101010101
3100012000211211220201012002001
433323120123130230311111
533140210210014400021
6404553054113115301
720520021266600605
oct1773303334546525
9305024756635061
1070051377106261
1120358693160521
127a34514558b31
133011a7cb6a8b5
14134270d028c05
158172e520c091
hex3fb61b72cd55

70051377106261 has 4 divisors (see below), whose sum is σ = 70051402360224. Its totient is φ = 70051351852300.

The previous prime is 70051377106223. The next prime is 70051377106289. The reversal of 70051377106261 is 16260177315007.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70051377106261 - 219 = 70051376581973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70051377106561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7868395 + ... + 14213176.

It is an arithmetic number, because the mean of its divisors is an integer number (17512850590056).

Almost surely, 270051377106261 is an apocalyptic number.

It is an amenable number.

70051377106261 is a deficient number, since it is larger than the sum of its proper divisors (25253963).

70051377106261 is a wasteful number, since it uses less digits than its factorization.

70051377106261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25253962.

The product of its (nonzero) digits is 370440, while the sum is 46.

The spelling of 70051377106261 in words is "seventy trillion, fifty-one billion, three hundred seventy-seven million, one hundred six thousand, two hundred sixty-one".

Divisors: 1 3172391 22081571 70051377106261