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140745471474 = 2397241830707
BaseRepresentation
bin1000001100010100010…
…1010111010111110010
3111110021210102202100210
42003011011113113302
54301221320041344
6144354011524550
713111542524346
oct2030505272762
9443253382323
10140745471474
1154765170973
122333b459756
131037016248a
146b52641626
1539db3c6db9
hex20c51575f2

140745471474 has 16 divisors (see below), whose sum is σ = 284392912608. Its totient is φ = 46431495552.

The previous prime is 140745471473. The next prime is 140745471487. The reversal of 140745471474 is 474174547041.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140745471473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120914772 + ... + 120915935.

It is an arithmetic number, because the mean of its divisors is an integer number (17774557038).

Almost surely, 2140745471474 is an apocalyptic number.

140745471474 is an abundant number, since it is smaller than the sum of its proper divisors (143647441134).

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

140745471474 is a wasteful number, since it uses less digits than its factorization.

140745471474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241830809.

The product of its (nonzero) digits is 1756160, while the sum is 48.

The spelling of 140745471474 in words is "one hundred forty billion, seven hundred forty-five million, four hundred seventy-one thousand, four hundred seventy-four".

Divisors: 1 2 3 6 97 194 291 582 241830707 483661414 725492121 1450984242 23457578579 46915157158 70372735737 140745471474