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70225072631 = 738925789597
BaseRepresentation
bin100000101100110111…
…1011001000111110111
320201021002212022110222
41001121233121013313
52122310104311011
652132211004555
75034146161040
oct1013157310767
9221232768428
1070225072631
112786724a50a
121173a29975b
136811c6cc1c
1435828838c7
151c6026dddb
hex1059bd91f7

70225072631 has 8 divisors (see below), whose sum is σ = 80463545760. Its totient is φ = 60038179488.

The previous prime is 70225072597. The next prime is 70225072651. The reversal of 70225072631 is 13627052207.

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

It is not a de Polignac number, because 70225072631 - 210 = 70225071607 is a prime.

It is a super-2 number, since 2×702250726312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70225072591 and 70225072600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70225072651) 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, 12892076 + ... + 12897521.

It is an arithmetic number, because the mean of its divisors is an integer number (10057943220).

Almost surely, 270225072631 is an apocalyptic number.

70225072631 is a deficient number, since it is larger than the sum of its proper divisors (10238473129).

70225072631 is a wasteful number, since it uses less digits than its factorization.

70225072631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25789993.

The product of its (nonzero) digits is 35280, while the sum is 35.

The spelling of 70225072631 in words is "seventy billion, two hundred twenty-five million, seventy-two thousand, six hundred thirty-one".

Divisors: 1 7 389 2723 25789597 180527179 10032153233 70225072631