Search a number
-
+
149345961830 = 25131148815091
BaseRepresentation
bin1000101100010110110…
…1101000011101100110
3112021111011202221011122
42023011231220131212
54421330031234310
6152335242133542
713534634505302
oct2130555503546
9467434687148
10149345961830
11583789a163a
1224b3b7b12b2
1311110c13420
14732a97cd02
153d4148a555
hex22c5b68766

149345961830 has 16 divisors (see below), whose sum is σ = 289501403184. Its totient is φ = 55143124320.

The previous prime is 149345961811. The next prime is 149345961841. The reversal of 149345961830 is 38169543941.

149345961830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 574407416 + ... + 574407675.

It is an arithmetic number, because the mean of its divisors is an integer number (18093837699).

Almost surely, 2149345961830 is an apocalyptic number.

149345961830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149345961830 is a deficient number, since it is larger than the sum of its proper divisors (140155441354).

149345961830 is a wasteful number, since it uses less digits than its factorization.

149345961830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148815111.

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 149345961830 in words is "one hundred forty-nine billion, three hundred forty-five million, nine hundred sixty-one thousand, eight hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 1148815091 2297630182 5744075455 11488150910 14934596183 29869192366 74672980915 149345961830