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137245131616512 = 283288761899757
BaseRepresentation
bin11111001101001011011111…
…010100010011000100000000
3122222221111200012100121121210
4133031023133110103010000
5120442111012143212022
61203521313144450120
740623430206266613
oct3715133724230400
9588844605317553
10137245131616512
113a804373908197
1213487038a79940
135b772114742ba
1425c69b240617a
1510d00da4a7a0c
hex7cd2df513100

137245131616512 has 72 divisors (see below), whose sum is σ = 365398728256576. Its totient is φ = 45732530128896.

The previous prime is 137245131616507. The next prime is 137245131616517. The reversal of 137245131616512 is 215616131542731.

It is an interprime number because it is at equal distance from previous prime (137245131616507) and next prime (137245131616517).

It is a super-2 number, since 2×1372451316165122 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (137245131616517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28732663 + ... + 33167094.

Almost surely, 2137245131616512 is an apocalyptic number.

137245131616512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

137245131616512 is an abundant number, since it is smaller than the sum of its proper divisors (228153596640064).

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

137245131616512 is an equidigital number, since it uses as much as digits as its factorization.

137245131616512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61902663 (or 61902649 counting only the distinct ones).

The product of its digits is 907200, while the sum is 48.

The spelling of 137245131616512 in words is "one hundred thirty-seven trillion, two hundred forty-five billion, one hundred thirty-one million, six hundred sixteen thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 768 2887 5774 8661 11548 17322 23096 34644 46192 69288 92384 138576 184768 277152 369536 554304 739072 1108608 2217216 61899757 123799514 185699271 247599028 371398542 495198056 742797084 990396112 1485594168 1980792224 2971188336 3961584448 5942376672 7923168896 11884753344 15846337792 23769506688 47539013376 178704598459 357409196918 536113795377 714818393836 1072227590754 1429636787672 2144455181508 2859273575344 4288910363016 5718547150688 8577820726032 11437094301376 17155641452064 22874188602752 34311282904128 45748377205504 68622565808256 137245131616512