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70325497680 = 2435701418007
BaseRepresentation
bin100000101111110111…
…0011110111101010000
320201112002211102202020
41001133232132331100
52123011311411210
652150155251440
75036505603324
oct1013756367520
9221462742666
1070325497680
1127908a01319
1211767a49b80
136829a02029
143591d45984
151c68ea9770
hex105fb9ef50

70325497680 has 80 divisors (see below), whose sum is σ = 218320562304. Its totient is φ = 18726668800.

The previous prime is 70325497607. The next prime is 70325497687. The reversal of 70325497680 is 8679452307.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×703254976803 (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70325497687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40764 + ... + 377243.

Almost surely, 270325497680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70325497680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109160281152).

70325497680 is an abundant number, since it is smaller than the sum of its proper divisors (147995064624).

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

70325497680 is a wasteful number, since it uses less digits than its factorization.

70325497680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418724 (or 418718 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 51.

The spelling of 70325497680 in words is "seventy billion, three hundred twenty-five million, four hundred ninety-seven thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 701 1402 2103 2804 3505 4206 5608 7010 8412 10515 11216 14020 16824 21030 28040 33648 42060 56080 84120 168240 418007 836014 1254021 1672028 2090035 2508042 3344056 4180070 5016084 6270105 6688112 8360140 10032168 12540210 16720280 20064336 25080420 33440560 50160840 100321680 293022907 586045814 879068721 1172091628 1465114535 1758137442 2344183256 2930229070 3516274884 4395343605 4688366512 5860458140 7032549768 8790687210 11720916280 14065099536 17581374420 23441832560 35162748840 70325497680