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149057643210 = 235712715137013
BaseRepresentation
bin1000101011010010000…
…1110010001011001010
3112020202002020211101020
42022310201302023022
54420232224040320
6152250502333310
713524534030240
oct2126441621312
9466662224336
10149057643210
1158240176593
1224a7b12a236
13110962755a8
14730056a790
153d25ed7940
hex22b48722ca

149057643210 has 128 divisors (see below), whose sum is σ = 414803165184. Its totient is φ = 33577286400.

The previous prime is 149057643197. The next prime is 149057643211. The reversal of 149057643210 is 12346750941.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (149057643211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4008664 + ... + 4045676.

It is an arithmetic number, because the mean of its divisors is an integer number (3240649728).

Almost surely, 2149057643210 is an apocalyptic number.

149057643210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 149057643210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207401582592).

149057643210 is an abundant number, since it is smaller than the sum of its proper divisors (265745521974).

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

149057643210 is a wasteful number, since it uses less digits than its factorization.

149057643210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37308.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 149057643210 in words is "one hundred forty-nine billion, fifty-seven million, six hundred forty-three thousand, two hundred ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 127 151 210 254 302 381 453 635 755 762 889 906 1057 1270 1510 1778 1905 2114 2265 2667 3171 3810 4445 4530 5285 5334 6342 8890 10570 13335 15855 19177 26670 31710 37013 38354 57531 74026 95885 111039 115062 134239 185065 191770 222078 259091 268478 287655 370130 402717 518182 555195 575310 671195 777273 805434 1110390 1295455 1342390 1554546 2013585 2590910 3886365 4027170 4700651 5588963 7772730 9401302 11177926 14101953 16766889 23503255 27944815 28203906 32904557 33533778 39122741 47006510 55889630 65809114 70509765 78245482 83834445 98713671 117368223 141019530 164522785 167668890 195613705 197427342 234736446 329045570 391227410 493568355 586841115 709798301 987136710 1173682230 1419596602 2129394903 3548991505 4258789806 4968588107 7097983010 9937176214 10646974515 14905764321 21293949030 24842940535 29811528642 49685881070 74528821605 149057643210