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378250653268 = 22611315469109
BaseRepresentation
bin1011000000100010111…
…11101110111001010100
31100011022221100002011101
411200101133232321110
522144124131401033
6445433240115444
736220255334605
oct5402137567124
91304287302141
10378250653268
111364626a6284
1261383465b84
13298906ca1c7
141444382bdac
159c8c2cc97d
hex58117eee54

378250653268 has 12 divisors (see below), whose sum is σ = 662046969780. Its totient is φ = 189094376192.

The previous prime is 378250653251. The next prime is 378250653281. The reversal of 378250653268 is 862356052873.

It can be written as a sum of positive squares in 2 ways, for example, as 309238312464 + 69012340804 = 556092^2 + 262702^2 .

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, 7710103 + ... + 7759006.

It is an arithmetic number, because the mean of its divisors is an integer number (55170580815).

Almost surely, 2378250653268 is an apocalyptic number.

It is an amenable number.

378250653268 is a deficient number, since it is larger than the sum of its proper divisors (283796316512).

378250653268 is a wasteful number, since it uses less digits than its factorization.

378250653268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15475226 (or 15475224 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 55.

The spelling of 378250653268 in words is "three hundred seventy-eight billion, two hundred fifty million, six hundred fifty-three thousand, two hundred sixty-eight".

Divisors: 1 2 4 6113 12226 24452 15469109 30938218 61876436 94562663317 189125326634 378250653268