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354439392972 = 22376169172403
BaseRepresentation
bin1010010100001100011…
…10111110111011001100
31020212212111020201122220
411022012032332323030
521301342441033342
6430454402135340
734415224062630
oct5120616767314
91225774221586
10354439392972
11127353884a65
1258839051550
1327567544a82
14132252c2dc0
159346b6e5ec
hex52863beecc

354439392972 has 48 divisors (see below), whose sum is σ = 960666346752. Its totient is φ = 99608258880.

The previous prime is 354439392953. The next prime is 354439392977. The reversal of 354439392972 is 279293934453.

It is not an unprimeable number, because it can be changed into a prime (354439392977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34581078 + ... + 34591325.

It is an arithmetic number, because the mean of its divisors is an integer number (20013882224).

Almost surely, 2354439392972 is an apocalyptic number.

It is an amenable number.

354439392972 is an abundant number, since it is smaller than the sum of its proper divisors (606226953780).

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

354439392972 is a wasteful number, since it uses less digits than its factorization.

354439392972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69172478 (or 69172476 counting only the distinct ones).

The product of its digits is 44089920, while the sum is 60.

The spelling of 354439392972 in words is "three hundred fifty-four billion, four hundred thirty-nine million, three hundred ninety-two thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 61 84 122 183 244 366 427 732 854 1281 1708 2562 5124 69172403 138344806 207517209 276689612 415034418 484206821 830068836 968413642 1452620463 1936827284 2905240926 4219516583 5810481852 8439033166 12658549749 16878066332 25317099498 29536616081 50634198996 59073232162 88609848243 118146464324 177219696486 354439392972