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149669744830 = 2523650738021
BaseRepresentation
bin1000101101100100000…
…0110001000010111110
3112022022202000210221121
42023121000301002332
54423010423313310
6152431330021154
713545645561124
oct2133100610276
9468282023847
10149669744830
115852473a5a1
12250101177ba
131116301a4b8
14735b983914
153d5eae60da
hex22d90310be

149669744830 has 16 divisors (see below), whose sum is σ = 281118825504. Its totient is φ = 57264945760.

The previous prime is 149669744827. The next prime is 149669744849. The reversal of 149669744830 is 38447966941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325368781 + ... + 325369240.

It is an arithmetic number, because the mean of its divisors is an integer number (17569926594).

Almost surely, 2149669744830 is an apocalyptic number.

149669744830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149669744830 is a deficient number, since it is larger than the sum of its proper divisors (131449080674).

149669744830 is a wasteful number, since it uses less digits than its factorization.

149669744830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650738051.

The product of its (nonzero) digits is 31352832, while the sum is 61.

The spelling of 149669744830 in words is "one hundred forty-nine billion, six hundred sixty-nine million, seven hundred forty-four thousand, eight hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 650738021 1301476042 3253690105 6507380210 14966974483 29933948966 74834872415 149669744830