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379971664430 = 2583945288637
BaseRepresentation
bin1011000011110000001…
…00110111101000101110
31100022202212201111122112
411201320010313220232
522211140221230210
6450320115244022
736311023600061
oct5417004675056
91308685644575
10379971664430
1113716610a456
12617838a9612
1329aa61221c7
14145682228d8
159d3d431d05
hex5878137a2e

379971664430 has 16 divisors (see below), whose sum is σ = 684764206560. Its totient is φ = 151807507872.

The previous prime is 379971664349. The next prime is 379971664433. The reversal of 379971664430 is 34466179973.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 379971664430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379971664433) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 22635929 + ... + 22652708.

It is an arithmetic number, because the mean of its divisors is an integer number (42797762910).

Almost surely, 2379971664430 is an apocalyptic number.

379971664430 is a deficient number, since it is larger than the sum of its proper divisors (304792542130).

379971664430 is a wasteful number, since it uses less digits than its factorization.

379971664430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45289483.

The product of its (nonzero) digits is 20575296, while the sum is 59.

It can be divided in two parts, 379971 and 664430, that added together give a palindrome (1044401).

The spelling of 379971664430 in words is "three hundred seventy-nine billion, nine hundred seventy-one million, six hundred sixty-four thousand, four hundred thirty".

Divisors: 1 2 5 10 839 1678 4195 8390 45288637 90577274 226443185 452886370 37997166443 75994332886 189985832215 379971664430