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70430612630 = 2579770114797
BaseRepresentation
bin100000110010111111…
…1011101110010010110
320201210102121211100112
41001211333131302112
52123220214101010
652204432243022
75042223221030
oct1014577356226
9221712554315
1070430612630
1127962276784
12117970a0472
136845716a21
1435a1ca8c50
151c7331ea05
hex1065fddc96

70430612630 has 64 divisors (see below), whose sum is σ = 146598221952. Its totient is φ = 23862988800.

The previous prime is 70430612573. The next prime is 70430612639. The reversal of 70430612630 is 3621603407.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70430612639) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4752392 + ... + 4767188.

It is an arithmetic number, because the mean of its divisors is an integer number (2290597218).

Almost surely, 270430612630 is an apocalyptic number.

70430612630 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

70430612630 is an abundant number, since it is smaller than the sum of its proper divisors (76167609322).

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

70430612630 is a wasteful number, since it uses less digits than its factorization.

70430612630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15609.

The product of its (nonzero) digits is 18144, while the sum is 32.

The spelling of 70430612630 in words is "seventy billion, four hundred thirty million, six hundred twelve thousand, six hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 97 194 485 679 701 970 1358 1402 3395 3505 4907 6790 7010 9814 14797 24535 29594 49070 67997 73985 103579 135994 147970 207158 339985 475979 517895 679970 951958 1035790 1435309 2379895 2870618 4759790 7176545 10047163 10372697 14353090 20094326 20745394 50235815 51863485 72608879 100471630 103726970 145217758 363044395 726088790 1006151609 2012303218 5030758045 7043061263 10061516090 14086122526 35215306315 70430612630