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149902605200 = 245219137143971
BaseRepresentation
bin1000101110011011100…
…1000011101110010000
3112022220222012100022202
42023212321003232100
54424000031331300
6152510405022332
713554504056255
oct2134671035620
9468828170282
10149902605200
1158634126a87
12250760b49a8
131119c33b6ba
14738087b42c
153d75291ad5
hex22e6e43b90

149902605200 has 120 divisors (see below), whose sum is σ = 381865573920. Its totient is φ = 56390169600.

The previous prime is 149902605199. The next prime is 149902605217. The reversal of 149902605200 is 2506209941.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 969215 + ... + 1113185.

It is an arithmetic number, because the mean of its divisors is an integer number (3182213116).

Almost surely, 2149902605200 is an apocalyptic number.

149902605200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149902605200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190932786960).

149902605200 is an abundant number, since it is smaller than the sum of its proper divisors (231962968720).

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

149902605200 is a wasteful number, since it uses less digits than its factorization.

149902605200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144145 (or 144134 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 149902605200 in words is "one hundred forty-nine billion, nine hundred two million, six hundred five thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 19 20 25 38 40 50 76 80 95 100 137 152 190 200 274 304 380 400 475 548 685 760 950 1096 1370 1520 1900 2192 2603 2740 3425 3800 5206 5480 6850 7600 10412 10960 13015 13700 20824 26030 27400 41648 52060 54800 65075 104120 130150 143971 208240 260300 287942 520600 575884 719855 1041200 1151768 1439710 2303536 2735449 2879420 3599275 5470898 5758840 7198550 10941796 11517680 13677245 14397100 19724027 21883592 27354490 28794200 39448054 43767184 54708980 57588400 68386225 78896108 98620135 109417960 136772450 157792216 197240270 218835920 273544900 315584432 374756513 394480540 493100675 547089800 749513026 788961080 986201350 1094179600 1499026052 1577922160 1873782565 1972402700 2998052104 3747565130 3944805400 5996104208 7495130260 7889610800 9368912825 14990260520 18737825650 29980521040 37475651300 74951302600 149902605200