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379316687445 = 325918112
BaseRepresentation
bin1011000010100010000…
…10010101001001010101
31100021002020021020010200
411201101002111021111
522203320032444240
6450131121011113
736255551434143
oct5412102251125
91307066236120
10379316687445
1113695a421563
1261620483a99
1329a00517a67
1414505248593
159d00ba4930
hex5851095255

379316687445 has 18 divisors (see below), whose sum is σ = 657489419574. Its totient is φ = 202300029840.

The previous prime is 379316687333. The next prime is 379316687483. The reversal of 379316687445 is 544786613973.

It is a happy number.

379316687445 is a `hidden beast` number, since 37 + 93 + 16 + 68 + 7 + 445 = 666.

It can be written as a sum of positive squares in only one way, i.e., 303453349956 + 75863337489 = 550866^2 + 275433^2 .

It is not a de Polignac number, because 379316687445 - 29 = 379316686933 is a prime.

It is a super-2 number, since 2×3793166874452 (a number of 24 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 17 ways as a sum of consecutive naturals, for example, 4085590 + ... + 4177400.

Almost surely, 2379316687445 is an apocalyptic number.

It is an amenable number.

379316687445 is a deficient number, since it is larger than the sum of its proper divisors (278172732129).

379316687445 is an frugal number, since it uses more digits than its factorization.

379316687445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183633 (or 91819 counting only the distinct ones).

The product of its digits is 91445760, while the sum is 63.

The spelling of 379316687445 in words is "three hundred seventy-nine billion, three hundred sixteen million, six hundred eighty-seven thousand, four hundred forty-five".

Divisors: 1 3 5 9 15 45 91811 275433 459055 826299 1377165 4131495 8429259721 25287779163 42146298605 75863337489 126438895815 379316687445