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70537940632 = 2323438915311
BaseRepresentation
bin100000110110001100…
…0111000111010011000
320202001220120122200201
41001230120320322120
52123430203100012
652223224511544
75044665413455
oct1015430707230
9222056518621
1070537940632
1127a07912905
121180701b5b4
136861a24b13
1435b224682c
151c7c970857
hex106c638e98

70537940632 has 32 divisors (see below), whose sum is σ = 141218542080. Its totient is φ = 32950985760.

The previous prime is 70537940617. The next prime is 70537940639. The reversal of 70537940632 is 23604973507.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70537940639) 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, 4449744 + ... + 4465567.

It is an arithmetic number, because the mean of its divisors is an integer number (4413079440).

Almost surely, 270537940632 is an apocalyptic number.

It is an amenable number.

70537940632 is an abundant number, since it is smaller than the sum of its proper divisors (70680601448).

70537940632 is a wasteful number, since it uses less digits than its factorization.

70537940632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8915383 (or 8915379 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 46.

The spelling of 70537940632 in words is "seventy billion, five hundred thirty-seven million, nine hundred forty thousand, six hundred thirty-two".

Divisors: 1 2 4 8 23 43 46 86 92 172 184 344 989 1978 3956 7912 8915311 17830622 35661244 71322488 205052153 383358373 410104306 766716746 820208612 1533433492 1640417224 3066866984 8817242579 17634485158 35268970316 70537940632