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80146711512 = 23327536074943
BaseRepresentation
bin100101010100100011…
…1011100001111011000
321122212120011210100200
41022221013130033120
52303120024232022
6100452514102200
75535052543650
oct1125107341730
9248776153320
1080146711512
1130a9880266a
1213648b7a960
137733651c6a
143c44449360
1521412edbac
hex12a91dc3d8

80146711512 has 192 divisors, whose sum is σ = 253221396480. Its totient is φ = 22425451776.

The previous prime is 80146711493. The next prime is 80146711553. The reversal of 80146711512 is 21511764108.

80146711512 is a `hidden beast` number, since 80 + 1 + 4 + 67 + 1 + 1 + 512 = 666.

It is a super-2 number, since 2×801467115122 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 16211713 + ... + 16216655.

It is an arithmetic number, because the mean of its divisors is an integer number (1318861440).

Almost surely, 280146711512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80146711512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126610698240).

80146711512 is an abundant number, since it is smaller than the sum of its proper divisors (173074684968).

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

80146711512 is a wasteful number, since it uses less digits than its factorization.

80146711512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5622 (or 5615 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The spelling of 80146711512 in words is "eighty billion, one hundred forty-six million, seven hundred eleven thousand, five hundred twelve".