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104154561420 = 223571321937603
BaseRepresentation
bin110000100000000011…
…0000111101110001100
3100221211201011221002220
41201000012013232030
53201302031431140
6115503053415340
710345022110320
oct1410006075614
9327751157086
10104154561420
1140198597638
121822919a550
139a8b469300
145080b29980
152a98d40bd0
hex1840187b8c

104154561420 has 288 divisors, whose sum is σ = 362822487552. Its totient is φ = 21858729984.

The previous prime is 104154561403. The next prime is 104154561421. The reversal of 104154561420 is 24165451401.

It is not an unprimeable number, because it can be changed into a prime (104154561421) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13695339 + ... + 13702941.

It is an arithmetic number, because the mean of its divisors is an integer number (1259800304).

Almost surely, 2104154561420 is an apocalyptic number.

104154561420 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 104154561420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181411243776).

104154561420 is an abundant number, since it is smaller than the sum of its proper divisors (258667926132).

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

104154561420 is a wasteful number, since it uses less digits than its factorization.

104154561420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7841 (or 7826 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The spelling of 104154561420 in words is "one hundred four billion, one hundred fifty-four million, five hundred sixty-one thousand, four hundred twenty".