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131413120 = 27519101107
BaseRepresentation
bin1111101010100…
…11010010000000
3100011021110220121
413311103102000
5232120204440
621012350024
73153664426
oct765232200
9304243817
10131413120
11681a7693
1238015314
13212c1a57
141364b116
15b80c34a
hex7d53480

131413120 has 128 divisors (see below), whose sum is σ = 337089600. Its totient is φ = 48844800.

The previous prime is 131413097. The next prime is 131413127. The reversal of 131413120 is 21314131.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 131413094 and 131413103.

It is not an unprimeable number, because it can be changed into a prime (131413127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1228107 + ... + 1228213.

Almost surely, 2131413120 is an apocalyptic number.

131413120 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 131413120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168544800).

131413120 is an abundant number, since it is smaller than the sum of its proper divisors (205676480).

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

131413120 is a wasteful number, since it uses less digits than its factorization.

131413120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 131413120 is about 11463.5561672633. The cubic root of 131413120 is about 508.4086240416.

Adding to 131413120 its reverse (21314131), we get a palindrome (152727251).

It can be divided in two parts, 13141 and 3120, that added together give a palindrome (16261).

The spelling of 131413120 in words is "one hundred thirty-one million, four hundred thirteen thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 19 20 32 38 40 64 76 80 95 101 107 128 152 160 190 202 214 304 320 380 404 428 505 535 608 640 760 808 856 1010 1070 1216 1520 1616 1712 1919 2020 2033 2140 2432 3040 3232 3424 3838 4040 4066 4280 6080 6464 6848 7676 8080 8132 8560 9595 10165 10807 12160 12928 13696 15352 16160 16264 17120 19190 20330 21614 30704 32320 32528 34240 38380 40660 43228 54035 61408 64640 65056 68480 76760 81320 86456 108070 122816 130112 153520 162640 172912 205333 216140 245632 260224 307040 325280 345824 410666 432280 614080 650560 691648 821332 864560 1026665 1228160 1301120 1383296 1642664 1729120 2053330 3285328 3458240 4106660 6570656 6916480 8213320 13141312 16426640 26282624 32853280 65706560 131413120