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138430157150 = 25259427110987
BaseRepresentation
bin1000000011101100010…
…1001001000101011110
3111020022102202121012102
42000323011021011132
54232001110012100
6143332142405102
713000266630665
oct2007305110536
9436272677172
10138430157150
115378723aa5a
12229b3b90792
13100915878bc
1469b2d47ddc
153902ecccd5
hex203b14915e

138430157150 has 48 divisors (see below), whose sum is σ = 261929306880. Its totient is φ = 54415855200.

The previous prime is 138430157147. The next prime is 138430157161. The reversal of 138430157150 is 51751034831.

It is a super-2 number, since 2×1384301571502 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 12593957 + ... + 12604943.

It is an arithmetic number, because the mean of its divisors is an integer number (5456860560).

Almost surely, 2138430157150 is an apocalyptic number.

138430157150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138430157150 is a deficient number, since it is larger than the sum of its proper divisors (123499149730).

138430157150 is a wasteful number, since it uses less digits than its factorization.

138430157150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15329 (or 15324 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The spelling of 138430157150 in words is "one hundred thirty-eight billion, four hundred thirty million, one hundred fifty-seven thousand, one hundred fifty".

Divisors: 1 2 5 10 25 50 59 118 295 590 1475 2950 4271 8542 10987 21355 21974 42710 54935 106775 109870 213550 251989 274675 503978 549350 648233 1259945 1296466 2519890 3241165 6299725 6482330 12599450 16205825 32411650 46925477 93850954 234627385 469254770 1173136925 2346273850 2768603143 5537206286 13843015715 27686031430 69215078575 138430157150