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149261181468960 = 25351143220637411
BaseRepresentation
bin100001111100000010010011…
…101100110100000100100000
3201120111020012101001200220210
4201330002103230310010200
5124030443344424001320
61245241350134534120
743303523135644101
oct4174022354640440
9646436171050823
10149261181468960
1143617347787760
12148a7997807340
1365393660532a2
1428c03cb8123a8
15123c95c46a0e0
hex87c093b34120

149261181468960 has 576 divisors, whose sum is σ = 525446803961856. Its totient is φ = 35321129625600.

The previous prime is 149261181468929. The next prime is 149261181468977. The reversal of 149261181468960 is 69864181162941.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a junction number, because it is equal to n+sod(n) for n = 149261181468891 and 149261181468900.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20140487655 + ... + 20140495065.

It is an arithmetic number, because the mean of its divisors is an integer number (912234034656).

Almost surely, 2149261181468960 is an apocalyptic number.

149261181468960 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 149261181468960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262723401980928).

149261181468960 is an abundant number, since it is smaller than the sum of its proper divisors (376185622492896).

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

149261181468960 is a wasteful number, since it uses less digits than its factorization.

149261181468960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9589 (or 9538 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 66.

The spelling of 149261181468960 in words is "one hundred forty-nine trillion, two hundred sixty-one billion, one hundred eighty-one million, four hundred sixty-eight thousand, nine hundred sixty".