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13530150500 = 2253712571483
BaseRepresentation
bin11001001100111010…
…11011011001100100
31021220221100212020012
430212131123121210
5210202204304000
610114330025352
7656201244626
oct144635333144
937827325205
1013530150500
115813465369
122757278258
131378182419
14924d2cc16
15542c73735
hex32675b664

13530150500 has 96 divisors (see below), whose sum is σ = 30102928128. Its totient is φ = 5311488000.

The previous prime is 13530150497. The next prime is 13530150503. The reversal of 13530150500 is 505103531.

It is an interprime number because it is at equal distance from previous prime (13530150497) and next prime (13530150503).

It is not an unprimeable number, because it can be changed into a prime (13530150503) 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, 9122759 + ... + 9124241.

It is an arithmetic number, because the mean of its divisors is an integer number (313572168).

Almost surely, 213530150500 is an apocalyptic number.

13530150500 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 13530150500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15051464064).

13530150500 is an abundant number, since it is smaller than the sum of its proper divisors (16572777628).

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

13530150500 is a wasteful number, since it uses less digits than its factorization.

13530150500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830 (or 1818 counting only the distinct ones).

The product of its (nonzero) digits is 1125, while the sum is 23.

The spelling of 13530150500 in words is "thirteen billion, five hundred thirty million, one hundred fifty thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 71 100 125 142 250 257 284 355 500 514 710 1028 1285 1420 1483 1775 2570 2966 3550 5140 5932 6425 7100 7415 8875 12850 14830 17750 18247 25700 29660 32125 35500 36494 37075 64250 72988 74150 91235 105293 128500 148300 182470 185375 210586 364940 370750 381131 421172 456175 526465 741500 762262 912350 1052930 1524524 1824700 1905655 2105860 2280875 2632325 3811310 4561750 5264650 7622620 9123500 9528275 10529300 13161625 19056550 26323250 27060301 38113100 47641375 52646500 54120602 95282750 108241204 135301505 190565500 270603010 541206020 676507525 1353015050 2706030100 3382537625 6765075250 13530150500