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197361382680 = 23365721129433
BaseRepresentation
bin1011011111001110100…
…1111011010100011000
3200212102110021001000000
42313303221323110120
511213144003221210
6230355551213000
720154541034100
oct2676351732430
9625373231000
10197361382680
117677839aa30
12322bbb17160
13157c3777b57
1497a38aa200
1552019b6ac0
hex2df3a7b518

197361382680 has 1344 divisors, whose sum is σ = 876051741600. Its totient is φ = 39504568320.

The previous prime is 197361382643. The next prime is 197361382681. The reversal of 197361382680 is 86283163791.

197361382680 is a `hidden beast` number, since 19 + 7 + 3 + 613 + 8 + 2 + 6 + 8 + 0 = 666.

It is a super-2 number, since 2×1973613826802 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197361382681) by changing a digit.

It is a polite number, since it can be written in 335 ways as a sum of consecutive naturals, for example, 455799744 + ... + 455800176.

Almost surely, 2197361382680 is an apocalyptic number.

197361382680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197361382680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (438025870800).

197361382680 is an abundant number, since it is smaller than the sum of its proper divisors (678690358920).

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

197361382680 is a wasteful number, since it uses less digits than its factorization.

197361382680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 197361382680 in words is "one hundred ninety-seven billion, three hundred sixty-one million, three hundred eighty-two thousand, six hundred eighty".