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140747228413440 = 29351119150917137
BaseRepresentation
bin100000000000001001000100…
…100011010111111000000000
3200110100022012100022220221220
4200000021010203113320000
5121422000310433212230
61215202214545115040
741434436346020055
oct4000110443277000
9613308170286856
10140747228413440
1140934623191990
121395190a028a80
13606c53965abbc
1426a82b8bb702c
151141259962d10
hex8002448d7e00

140747228413440 has 640 divisors, whose sum is σ = 494424137687040. Its totient is φ = 33873238425600.

The previous prime is 140747228413427. The next prime is 140747228413447. The reversal of 140747228413440 is 44314822747041.

It is a tau number, because it is divible by the number of its divisors (640).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140747228413447) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8213052552 + ... + 8213069688.

It is an arithmetic number, because the mean of its divisors is an integer number (772537715136).

Almost surely, 2140747228413440 is an apocalyptic number.

140747228413440 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 140747228413440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247212068843520).

140747228413440 is an abundant number, since it is smaller than the sum of its proper divisors (353676909273600).

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

140747228413440 is a wasteful number, since it uses less digits than its factorization.

140747228413440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17874 (or 17858 counting only the distinct ones).

The product of its (nonzero) digits is 4816896, while the sum is 51.

The spelling of 140747228413440 in words is "one hundred forty trillion, seven hundred forty-seven billion, two hundred twenty-eight million, four hundred thirteen thousand, four hundred forty".