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149249381460 = 2235171271152149
BaseRepresentation
bin1000101011111111110…
…1001101010001010100
3112021020110001010210220
42022333331031101110
54421130320201320
6152321512114340
713532352545004
oct2127775152124
9467213033726
10149249381460
1158329426353
1224b133959b0
13110c6bc928a
14731bbdc004
153d37c5de40
hex22bff4d454

149249381460 has 96 divisors (see below), whose sum is σ = 445965004800. Its totient is φ = 37163685888.

The previous prime is 149249381453. The next prime is 149249381467. The reversal of 149249381460 is 64183942941.

It is an interprime number because it is at equal distance from previous prime (149249381453) and next prime (149249381467).

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149249381467) 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, 446535 + ... + 705614.

It is an arithmetic number, because the mean of its divisors is an integer number (4645468800).

Almost surely, 2149249381460 is an apocalyptic number.

149249381460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149249381460 is an abundant number, since it is smaller than the sum of its proper divisors (296715623340).

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

149249381460 is a wasteful number, since it uses less digits than its factorization.

149249381460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152305 (or 1152303 counting only the distinct ones).

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

The spelling of 149249381460 in words is "one hundred forty-nine billion, two hundred forty-nine million, three hundred eighty-one thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 102 127 170 204 254 255 340 381 508 510 635 762 1020 1270 1524 1905 2159 2540 3810 4318 6477 7620 8636 10795 12954 21590 25908 32385 43180 64770 129540 1152149 2304298 3456447 4608596 5760745 6912894 11521490 13825788 17282235 19586533 23042980 34564470 39173066 58759599 69128940 78346132 97932665 117519198 146322923 195865330 235038396 292645846 293797995 391730660 438968769 585291692 587595990 731614615 877937538 1175191980 1463229230 1755875076 2194843845 2487489691 2926458460 4389687690 4974979382 7462469073 8779375380 9949958764 12437448455 14924938146 24874896910 29849876292 37312345365 49749793820 74624690730 149249381460