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131550125341420 = 225594871907120041
BaseRepresentation
bin11101111010010011100110…
…011111011011101011101100
3122020210001212102022121020001
4131322103212133123223230
5114220304124041411140
61143441143203434044
736465116511541612
oct3572234637335354
9566701772277201
10131550125341420
1138a09105283515
1212907366985924
13585317b6b5716
14246b0baa656b2
151031dc22e5e9a
hex77a4e67dbaec

131550125341420 has 96 divisors (see below), whose sum is σ = 281664397647360. Its totient is φ = 51594467304960.

The previous prime is 131550125341381. The next prime is 131550125341423. The reversal of 131550125341420 is 24143521055131.

It is a self number, because there is not a number n which added to its sum of digits gives 131550125341420.

It is not an unprimeable number, because it can be changed into a prime (131550125341423) 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, 1095816600 + ... + 1095936640.

It is an arithmetic number, because the mean of its divisors is an integer number (2934004142160).

Almost surely, 2131550125341420 is an apocalyptic number.

131550125341420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131550125341420 is an abundant number, since it is smaller than the sum of its proper divisors (150114272305940).

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

131550125341420 is a wasteful number, since it uses less digits than its factorization.

131550125341420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122503 (or 122501 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 131550125341420 its reverse (24143521055131), we get a palindrome (155693646396551).

The spelling of 131550125341420 in words is "one hundred thirty-one trillion, five hundred fifty billion, one hundred twenty-five million, three hundred forty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 59 118 236 295 487 590 974 1180 1907 1948 2435 3814 4870 7628 9535 9740 19070 28733 38140 57466 112513 114932 120041 143665 225026 240082 287330 450052 480164 562565 574660 600205 928709 1125130 1200410 1857418 2250260 2400820 3714836 4643545 7082419 9287090 14164838 18574180 28329676 35412095 54793831 58459967 70824190 109587662 116919934 141648380 219175324 228918187 233839868 273969155 292299835 457836374 547938310 584599670 915672748 1095876620 1144590935 1169199340 2289181870 3449138053 4578363740 6898276106 13506173033 13796552212 17245690265 27012346066 34491380530 54024692132 67530865165 68982761060 111483157069 135061730330 222966314138 270123460660 445932628276 557415785345 1114831570690 2229663141380 6577506267071 13155012534142 26310025068284 32887531335355 65775062670710 131550125341420