Search a number
-
+
78146998150684 = 22162419120286109
BaseRepresentation
bin10001110001001100000100…
…000100001010011000011100
3101020200210001122221221102011
4101301030010010022120130
540220330023011310214
6434112122500041004
722313635315226251
oct2161140404123034
9336623048857364
1078146998150684
1122999a57193701
1289214b3693164
13347b2cbc990c8
141542498d2b428
15907bb1c2dac4
hex47130410a61c

78146998150684 has 12 divisors (see below), whose sum is σ = 136758089903400. Its totient is φ = 39073258178288.

The previous prime is 78146998150667. The next prime is 78146998150693. The reversal of 78146998150684 is 48605189964187.

78146998150684 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×781469981506842 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78146998150684.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59493379 + ... + 60792730.

It is an arithmetic number, because the mean of its divisors is an integer number (11396507491950).

Almost surely, 278146998150684 is an apocalyptic number.

It is an amenable number.

78146998150684 is a deficient number, since it is larger than the sum of its proper divisors (58611091752716).

78146998150684 is a wasteful number, since it uses less digits than its factorization.

78146998150684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120448532 (or 120448530 counting only the distinct ones).

The product of its (nonzero) digits is 836075520, while the sum is 76.

The spelling of 78146998150684 in words is "seventy-eight trillion, one hundred forty-six billion, nine hundred ninety-eight million, one hundred fifty thousand, six hundred eighty-four".

Divisors: 1 2 4 162419 324838 649676 120286109 240572218 481144436 19536749537671 39073499075342 78146998150684