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45212303431320 = 23351995096735527
BaseRepresentation
bin10100100011110110011110…
…10010010001011010011000
312221002020212011101220002120
422101323033102101122120
521411224244134300240
6240054125004101240
712344324012150064
oct1221731722213230
9187066764356076
1045212303431320
1113451480671893
1250a2544b34820
131c2c66a94226c
14b24403d88aa4
15536120abdad0
hex291ecf491698

45212303431320 has 256 divisors, whose sum is σ = 136814019840000. Its totient is φ = 11952507764736.

The previous prime is 45212303431319. The next prime is 45212303431343. The reversal of 45212303431320 is 2313430321254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8180258397 + ... + 8180263923.

It is an arithmetic number, because the mean of its divisors is an integer number (534429765000).

Almost surely, 245212303431320 is an apocalyptic number.

45212303431320 is a gapful number since it is divisible by the number (40) 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 45212303431320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68407009920000).

45212303431320 is an abundant number, since it is smaller than the sum of its proper divisors (91601716408680).

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

45212303431320 is a wasteful number, since it uses less digits than its factorization.

45212303431320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6922 (or 6918 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 33.

Adding to 45212303431320 its reverse (2313430321254), we get a palindrome (47525733752574).

The spelling of 45212303431320 in words is "forty-five trillion, two hundred twelve billion, three hundred three million, four hundred thirty-one thousand, three hundred twenty".