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148699321255680 = 28351329102715601
BaseRepresentation
bin100001110011110111000010…
…001110001100011100000000
3201111111111221100221120000220
4201303313002032030130000
5123442242202220140210
61244131305232343040
743215112541636406
oct4163670216143400
9644444840846026
10148699321255680
11434200342a1458
1214816b119a4a80
1364c8393c65220
1428a112aa6b476
15122d025b34c70
hex873dc238c700

148699321255680 has 288 divisors, whose sum is σ = 529075740029760. Its totient is φ = 35340740198400.

The previous prime is 148699321255643. The next prime is 148699321255687. The reversal of 148699321255680 is 86552123996841.

It is a super-2 number, since 2×1486993212556802 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148699321255687) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49910121 + ... + 52805480.

It is an arithmetic number, because the mean of its divisors is an integer number (1837068541770).

Almost surely, 2148699321255680 is an apocalyptic number.

148699321255680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148699321255680 is an abundant number, since it is smaller than the sum of its proper divisors (380376418774080).

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

148699321255680 is a wasteful number, since it uses less digits than its factorization.

148699321255680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102715667 (or 102715653 counting only the distinct ones).

The product of its (nonzero) digits is 223948800, while the sum is 69.

The spelling of 148699321255680 in words is "one hundred forty-eight trillion, six hundred ninety-nine billion, three hundred twenty-one million, two hundred fifty-five thousand, six hundred eighty".