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397303087104 = 21839711
BaseRepresentation
bin1011100100000010001…
…11000000000000000000
31101222111201212000000000
411302001013000000000
523002134042241404
6502304000000000
740463353343130
oct5620107000000
91358451760000
10397303087104
1114354a264870
1265000000000
132b608995ab1
141532dd34ac0
15a504c73339
hex5c811c0000

397303087104 has 760 divisors, whose sum is σ = 1485988741248. Its totient is φ = 103195607040.

The previous prime is 397303087091. The next prime is 397303087109. The reversal of 397303087104 is 401780303793.

It is a super-2 number, since 2×3973030871042 (a number of 24 digits) contains 22 as substring.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 397303087104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397303087109) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 36118462459 + ... + 36118462469.

Almost surely, 2397303087104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397303087104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (742994370624).

397303087104 is an abundant number, since it is smaller than the sum of its proper divisors (1088685654144).

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

397303087104 is an frugal number, since it uses more digits than its factorization.

397303087104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 23 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The spelling of 397303087104 in words is "three hundred ninety-seven billion, three hundred three million, eighty-seven thousand, one hundred four".