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1611396130680 = 2332572353258779
BaseRepresentation
bin10111011100101110101…
…100011010011101111000
312201001021222002220100100
4113130232230122131320
5202400114402140210
63232133135235400
7224263620054600
oct27345654323570
95631258086310
101611396130680
1157143111a106
12220371378b60
13b8c52c38a2b
1457dc6035c00
152bdb1d205c0
hex1772eb1a778

1611396130680 has 288 divisors, whose sum is σ = 6109345522800. Its totient is φ = 367274299392.

The previous prime is 1611396130651. The next prime is 1611396130681. The reversal of 1611396130680 is 860316931161.

1611396130680 is a `hidden beast` number, since 16 + 1 + 13 + 9 + 613 + 0 + 6 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1611396130681) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6097531 + ... + 6356309.

Almost surely, 21611396130680 is an apocalyptic number.

1611396130680 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 1611396130680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3054672761400).

1611396130680 is an abundant number, since it is smaller than the sum of its proper divisors (4497949392120).

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

1611396130680 is a wasteful number, since it uses less digits than its factorization.

1611396130680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259163 (or 259149 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The spelling of 1611396130680 in words is "one trillion, six hundred eleven billion, three hundred ninety-six million, one hundred thirty thousand, six hundred eighty".