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149466975380 = 2257473348769
BaseRepresentation
bin1000101100110011101…
…1010000110010010100
3112021210121111001112222
42023030323100302110
54422102021203010
6152355244001512
713540634220422
oct2131473206224
9467717431488
10149466975380
1158430235938
1224b74230298
1311130003788
14733ca80112
153d4bde1355
hex22cced0c94

149466975380 has 12 divisors (see below), whose sum is σ = 313880648340. Its totient is φ = 59786790144.

The previous prime is 149466975373. The next prime is 149466975397. The reversal of 149466975380 is 83579664941.

It can be written as a sum of positive squares in 2 ways, for example, as 75187833616 + 74279141764 = 274204^2 + 272542^2 .

It is a super-2 number, since 2×1494669753802 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3736674365 + ... + 3736674404.

It is an arithmetic number, because the mean of its divisors is an integer number (26156720695).

Almost surely, 2149466975380 is an apocalyptic number.

149466975380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149466975380 is an abundant number, since it is smaller than the sum of its proper divisors (164413672960).

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

149466975380 is a wasteful number, since it uses less digits than its factorization.

149466975380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7473348778 (or 7473348776 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 62.

The spelling of 149466975380 in words is "one hundred forty-nine billion, four hundred sixty-six million, nine hundred seventy-five thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 7473348769 14946697538 29893395076 37366743845 74733487690 149466975380