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146974016931840 = 21132571927114423
BaseRepresentation
bin100001011010110000001110…
…000100100000100000000000
3201021101120121221110220011200
4201122300032010200200000
5123231010241313304330
61240330533053141200
742646344103104060
oct4132601604404000
9637346557426150
10146974016931840
114291536aa5393a
1214598670a8a800
136401789c43387
14284181a7993a0
1511ed1e8a7da60
hex85ac0e120800

146974016931840 has 1152 divisors, whose sum is σ = 613159264972800. Its totient is φ = 31807020072960.

The previous prime is 146974016931829. The next prime is 146974016931883. The reversal of 146974016931840 is 48139610479641.

146974016931840 is a `hidden beast` number, since 1 + 4 + 6 + 97 + 401 + 6 + 93 + 18 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 33229483869 + ... + 33229488291.

It is an arithmetic number, because the mean of its divisors is an integer number (532256306400).

Almost surely, 2146974016931840 is an apocalyptic number.

146974016931840 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 146974016931840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306579632486400).

146974016931840 is an abundant number, since it is smaller than the sum of its proper divisors (466185248040960).

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

146974016931840 is a wasteful number, since it uses less digits than its factorization.

146974016931840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7193 (or 7170 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 63.

The spelling of 146974016931840 in words is "one hundred forty-six trillion, nine hundred seventy-four billion, sixteen million, nine hundred thirty-one thousand, eight hundred forty".