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149249381406 = 2324874896901
BaseRepresentation
bin1000101011111111110…
…1001101010000011110
3112021020110001010201220
42022333331031100132
54421130320201111
6152321512114210
713532352544566
oct2127775152036
9467213033656
10149249381406
1158329426304
1224b13395966
13110c6bc9248
14731bbdbda6
153d37c5de06
hex22bff4d41e

149249381406 has 8 divisors (see below), whose sum is σ = 298498762824. Its totient is φ = 49749793800.

The previous prime is 149249381389. The next prime is 149249381429. The reversal of 149249381406 is 604183942941.

It is a sphenic number, since it is the product of 3 distinct primes.

149249381406 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12437448445 + ... + 12437448456.

It is an arithmetic number, because the mean of its divisors is an integer number (37312345353).

Almost surely, 2149249381406 is an apocalyptic number.

149249381406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

149249381406 is a wasteful number, since it uses less digits than its factorization.

149249381406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24874896906.

The product of its (nonzero) digits is 1492992, while the sum is 51.

The spelling of 149249381406 in words is "one hundred forty-nine billion, two hundred forty-nine million, three hundred eighty-one thousand, four hundred six".

Divisors: 1 2 3 6 24874896901 49749793802 74624690703 149249381406