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2115189567120 = 24357293110313597
BaseRepresentation
bin11110110001111011000…
…111110110111010010000
321111012200012100011002210
4132301323013312322100
5234123402012121440
64255412113112120
7305550240445560
oct36617307667220
97435605304083
102115189567120
11746057405543
122a1b30858640
131245ccc63546
1474538d9cda0
153a04a9c4a80
hex1ec7b1f6e90

2115189567120 has 640 divisors, whose sum is σ = 8080579952640. Its totient is φ = 447323627520.

The previous prime is 2115189567119. The next prime is 2115189567133. The reversal of 2115189567120 is 217659815112.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 2115189567120.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 155556162 + ... + 155569758.

It is an arithmetic number, because the mean of its divisors is an integer number (12625906176).

Almost surely, 22115189567120 is an apocalyptic number.

2115189567120 is a gapful number since it is divisible by the number (20) 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 2115189567120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4040289976320).

2115189567120 is an abundant number, since it is smaller than the sum of its proper divisors (5965390385520).

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

2115189567120 is a wasteful number, since it uses less digits than its factorization.

2115189567120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13783 (or 13777 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 48.

The spelling of 2115189567120 in words is "two trillion, one hundred fifteen billion, one hundred eighty-nine million, five hundred sixty-seven thousand, one hundred twenty".