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378874161516 = 223437110341581
BaseRepresentation
bin1011000001101101010…
…10001110100101101100
31100012221101120120200110
411200312222032211230
522201413241132031
6450015152100020
736241566144114
oct5406652164554
91305841516613
10378874161516
11136752650254
1261518234610
132995c936cb6
14144a2574044
159cc6de0c46
hex5836a8e96c

378874161516 has 48 divisors (see below), whose sum is σ = 917339689728. Its totient is φ = 121616980800.

The previous prime is 378874161493. The next prime is 378874161521. The reversal of 378874161516 is 615161478873.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5134155 + ... + 5207426.

It is an arithmetic number, because the mean of its divisors is an integer number (19111243536).

Almost surely, 2378874161516 is an apocalyptic number.

It is an amenable number.

378874161516 is an abundant number, since it is smaller than the sum of its proper divisors (538465528212).

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

378874161516 is a wasteful number, since it uses less digits than its factorization.

378874161516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10341702 (or 10341700 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 57.

The spelling of 378874161516 in words is "three hundred seventy-eight billion, eight hundred seventy-four million, one hundred sixty-one thousand, five hundred sixteen".

Divisors: 1 2 3 4 6 12 43 71 86 129 142 172 213 258 284 426 516 852 3053 6106 9159 12212 18318 36636 10341581 20683162 31024743 41366324 62049486 124098972 444687983 734252251 889375966 1334063949 1468504502 1778751932 2202756753 2668127898 2937009004 4405513506 5336255796 8811027012 31572846793 63145693586 94718540379 126291387172 189437080758 378874161516