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31269140370000 = 243554131959883
BaseRepresentation
bin1110001110000011010100…
…00000010001001001010000
311002201022010011012120200000
413013001222000101021100
513044303144413320000
6150300502245530000
76405056306502051
oct707015200211120
9132638104176600
1031269140370000
119a661936104a5
123610203a13900
13145a88a040ca0
147a161227c728
153935ae8c0000
hex1c706a011250

31269140370000 has 2400 divisors, whose sum is σ = 130880714764800. Its totient is φ = 7160203008000.

The previous prime is 31269140369977. The next prime is 31269140370001. The reversal of 31269140370000 is 7304196213.

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 (31269140370001) by changing a digit.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 35412389559 + ... + 35412390441.

It is an arithmetic number, because the mean of its divisors is an integer number (54533631152).

Almost surely, 231269140370000 is an apocalyptic number.

31269140370000 is a gapful number since it is divisible by the number (30) 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 31269140370000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65440357382400).

31269140370000 is an abundant number, since it is smaller than the sum of its proper divisors (99611574394800).

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

31269140370000 is a wasteful number, since it uses less digits than its factorization.

31269140370000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017 (or 984 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The spelling of 31269140370000 in words is "thirty-one trillion, two hundred sixty-nine billion, one hundred forty million, three hundred seventy thousand".