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78145806072630 = 23519113638011531
BaseRepresentation
bin10001110001001010111101…
…000000101111101100110110
3101020200122222120212002202010
4101301022331000233230312
540220320102323311010
6434111404313425050
722313563631564112
oct2161127500575466
9336618876762663
1078145806072630
11229994a52a882a
12892122040b186
13347b16c01968a
1415423c48a0742
15907b4225a620
hex4712bd02fb36

78145806072630 has 32 divisors (see below), whose sum is σ = 188531871418368. Its totient is φ = 20729777525600.

The previous prime is 78145806072569. The next prime is 78145806072641. The reversal of 78145806072630 is 3627060854187.

It is a super-2 number, since 2×781458060726302 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6819000036 + ... + 6819011495.

It is an arithmetic number, because the mean of its divisors is an integer number (5891620981824).

Almost surely, 278145806072630 is an apocalyptic number.

78145806072630 is an abundant number, since it is smaller than the sum of its proper divisors (110386065345738).

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

78145806072630 is a wasteful number, since it uses less digits than its factorization.

78145806072630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13638011732.

The product of its (nonzero) digits is 13547520, while the sum is 57.

The spelling of 78145806072630 in words is "seventy-eight trillion, one hundred forty-five billion, eight hundred six million, seventy-two thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 191 382 573 955 1146 1910 2865 5730 13638011531 27276023062 40914034593 68190057655 81828069186 136380115310 204570172965 409140345930 2604860202421 5209720404842 7814580607263 13024301012105 15629161214526 26048602024210 39072903036315 78145806072630