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104215162640 = 2451931971512
BaseRepresentation
bin110000100001110110…
…1010010111100010000
3100221222221012210100112
41201003231102330100
53201413040201030
6115513100340452
710346356160261
oct1410355227420
9327887183315
10104215162640
1140219819196
1218245544728
139a9ab96b14
145088bc2968
152a9e311a95
hex1843b52f10

104215162640 has 240 divisors, whose sum is σ = 267767861760. Its totient is φ = 37573632000.

The previous prime is 104215162631. The next prime is 104215162673. The reversal of 104215162640 is 46261512401.

It is a junction number, because it is equal to n+sod(n) for n = 104215162597 and 104215162606.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 690166565 + ... + 690166715.

It is an arithmetic number, because the mean of its divisors is an integer number (1115699424).

Almost surely, 2104215162640 is an apocalyptic number.

104215162640 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 104215162640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133883930880).

104215162640 is an abundant number, since it is smaller than the sum of its proper divisors (163552699120).

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

104215162640 is a wasteful number, since it uses less digits than its factorization.

104215162640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 104215162640 in words is "one hundred four billion, two hundred fifteen million, one hundred sixty-two thousand, six hundred forty".