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78103070081370 = 23352771044298303
BaseRepresentation
bin10001110000100011001001…
…101111111000000101011010
3101020112120200020112210211000
4101300203021233320011122
540214120041420100440
6434040015521045430
722310521612626315
oct2160431157700532
9336476606483730
1078103070081370
1122982364a10a94
128914a94186876
13347711b18b699
1415402ccbb197c
1590699047e730
hex4708c9bf815a

78103070081370 has 64 divisors (see below), whose sum is σ = 209026748528640. Its totient is φ = 20752295857344.

The previous prime is 78103070081359. The next prime is 78103070081381. The reversal of 78103070081370 is 7318007030187.

It is an interprime number because it is at equal distance from previous prime (78103070081359) and next prime (78103070081381).

It is a super-2 number, since 2×781030700813702 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 522074362 + ... + 522223941.

It is an arithmetic number, because the mean of its divisors is an integer number (3266042945760).

Almost surely, 278103070081370 is an apocalyptic number.

78103070081370 is an abundant number, since it is smaller than the sum of its proper divisors (130923678447270).

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

78103070081370 is a wasteful number, since it uses less digits than its factorization.

78103070081370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044298596 (or 1044298590 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 45.

The spelling of 78103070081370 in words is "seventy-eight trillion, one hundred three billion, seventy million, eighty-one thousand, three hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 277 554 831 1385 1662 2493 2770 4155 4986 7479 8310 12465 14958 24930 37395 74790 1044298303 2088596606 3132894909 5221491515 6265789818 9398684727 10442983030 15664474545 18797369454 28196054181 31328949090 46993423635 56392108362 93986847270 140980270905 281960541810 289270629931 578541259862 867811889793 1446353149655 1735623779586 2603435669379 2892706299310 4339059448965 5206871338758 7810307008137 8678118897930 13017178346895 15620614016274 26034356693790 39051535040685 78103070081370