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70280608125 = 3547213192163
BaseRepresentation
bin100000101110100001…
…1001111100101111101
320201101222100210212010
41001131003033211331
52122413313430000
652141513201433
75035422212100
oct1013503174575
9221358323763
1070280608125
1127895631112
1211754a00279
136820615a70
143589dbc737
151c6508dd50
hex105d0cf97d

70280608125 has 360 divisors, whose sum is σ = 155769612768. Its totient is φ = 27923616000.

The previous prime is 70280608067. The next prime is 70280608133. The reversal of 70280608125 is 52180608207.

It is not a de Polignac number, because 70280608125 - 26 = 70280608061 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 359 ways as a sum of consecutive naturals, for example, 431169294 + ... + 431169456.

Almost surely, 270280608125 is an apocalyptic number.

70280608125 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

70280608125 is an abundant number, since it is smaller than the sum of its proper divisors (85489004643).

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

70280608125 is a wasteful number, since it uses less digits than its factorization.

70280608125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The spelling of 70280608125 in words is "seventy billion, two hundred eighty million, six hundred eight thousand, one hundred twenty-five".