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70050023557 = 1731721129901
BaseRepresentation
bin100000100111101001…
…1101000100010000101
320200210220110220021221
41001033103220202011
52121430301223212
652102555040341
75026622242633
oct1011723504205
9220726426257
1070050023557
1127787459558
12116ab7400b1
1367b49106a7
143567518353
151c4ebe2807
hex104f4e8885

70050023557 has 8 divisors (see below), whose sum is σ = 74173522392. Its totient is φ = 65926848000.

The previous prime is 70050023543. The next prime is 70050023581. The reversal of 70050023557 is 75532005007.

It can be written as a sum of positive squares in 4 ways, for example, as 9231558561 + 60818464996 = 96081^2 + 246614^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70050023557 - 27 = 70050023429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70050023957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474307 + ... + 604207.

It is an arithmetic number, because the mean of its divisors is an integer number (9271690299).

Almost surely, 270050023557 is an apocalyptic number.

It is an amenable number.

70050023557 is a deficient number, since it is larger than the sum of its proper divisors (4123498835).

70050023557 is a wasteful number, since it uses less digits than its factorization.

70050023557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161639.

The product of its (nonzero) digits is 36750, while the sum is 34.

The spelling of 70050023557 in words is "seventy billion, fifty million, twenty-three thousand, five hundred fifty-seven".

Divisors: 1 17 31721 129901 539257 2208317 4120589621 70050023557