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131474700121500 = 223253174153413827
BaseRepresentation
bin11101111001001101010110…
…110011000011010110011100
3122020111212011220110102201100
4131321031112303003112130
5114213040141212342000
61143342350551313100
736456506430003351
oct3571152663032634
9566455156412640
10131474700121500
113898a11a75341a
12128b481707b790
13584901b2aa888
1424675a3700628
15102ee5a787a00
hex779356cc359c

131474700121500 has 288 divisors, whose sum is σ = 439263239478336. Its totient is φ = 32989546598400.

The previous prime is 131474700121481. The next prime is 131474700121507. The reversal of 131474700121500 is 5121007474131.

131474700121500 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 74 + 70 + 0 + 12 + 1 + 500 = 666.

It is a super-2 number, since 2×1314747001215002 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131474700121507) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 317497587 + ... + 317911413.

It is an arithmetic number, because the mean of its divisors is an integer number (1525219581522).

Almost surely, 2131474700121500 is an apocalyptic number.

131474700121500 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 131474700121500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219631619739168).

131474700121500 is an abundant number, since it is smaller than the sum of its proper divisors (307788539356836).

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

131474700121500 is a wasteful number, since it uses less digits than its factorization.

131474700121500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418022 (or 418007 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

Adding to 131474700121500 its reverse (5121007474131), we get a palindrome (136595707595631).

The spelling of 131474700121500 in words is "one hundred thirty-one trillion, four hundred seventy-four billion, seven hundred million, one hundred twenty-one thousand, five hundred".