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1371913355680 = 255743614611013
BaseRepresentation
bin10011111101101100011…
…010001000000110100000
311212011011000000102122221
4103331230122020012200
5134434134304340210
62530125344240424
7201055202054440
oct23755432100640
94764130012587
101371913355680
1148990936174a
121a1a77010114
139c4a8a706ca
144a588344120
1525a474d11da
hex13f6c6881a0

1371913355680 has 384 divisors, whose sum is σ = 3864613648896. Its totient is φ = 450474393600.

The previous prime is 1371913355677. The next prime is 1371913355699. The reversal of 1371913355680 is 865533191731.

It is a happy number.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1354306854 + ... + 1354307866.

It is an arithmetic number, because the mean of its divisors is an integer number (10064098044).

Almost surely, 21371913355680 is an apocalyptic number.

1371913355680 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 1371913355680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1932306824448).

1371913355680 is an abundant number, since it is smaller than the sum of its proper divisors (2492700293216).

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

1371913355680 is a wasteful number, since it uses less digits than its factorization.

1371913355680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600 (or 1592 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 52.

The spelling of 1371913355680 in words is "one trillion, three hundred seventy-one billion, nine hundred thirteen million, three hundred fifty-five thousand, six hundred eighty".