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3137821449312 = 2531123147185401
BaseRepresentation
bin101101101010010100101…
…110111001110001100000
3102002222021011122022110210
4231222110232321301200
5402402224242334222
610401254551254120
7442462066150464
oct55522456716140
912088234568423
103137821449312
11aaa819450500
1242816a07a340
13199b83c60544
14abc2b06c4a4
155694e083d0c
hex2da94bb9c60

3137821449312 has 288 divisors, whose sum is σ = 9544601751552. Its totient is φ = 900599040000.

The previous prime is 3137821449271. The next prime is 3137821449313. The reversal of 3137821449312 is 2139441287313.

3137821449312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×31378214493124 (a number of 51 digits) contains 4444 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3137821449313) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16831812 + ... + 17017212.

It is an arithmetic number, because the mean of its divisors is an integer number (33140978304).

Almost surely, 23137821449312 is an apocalyptic number.

3137821449312 is a gapful number since it is divisible by the number (32) 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 3137821449312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4772300875776).

3137821449312 is an abundant number, since it is smaller than the sum of its proper divisors (6406780302240).

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

3137821449312 is a wasteful number, since it uses less digits than its factorization.

3137821449312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185514 (or 185495 counting only the distinct ones).

The product of its digits is 870912, while the sum is 48.

The spelling of 3137821449312 in words is "three trillion, one hundred thirty-seven billion, eight hundred twenty-one million, four hundred forty-nine thousand, three hundred twelve".