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140104401261 = 31123797231607
BaseRepresentation
bin1000001001111011011…
…1111000000101101101
3111101122010011000100120
42002132313320011231
54243413211320021
6144210231315153
713056626522106
oct2023667700555
9441563130316
10140104401261
1154466311380
12231a081bab9
131029a3b6ba6
146ad14473ad
15399ee952c6
hex209edf816d

140104401261 has 32 divisors (see below), whose sum is σ = 212916307968. Its totient is φ = 81117685440.

The previous prime is 140104401259. The next prime is 140104401299. The reversal of 140104401261 is 162104401041.

It is not a de Polignac number, because 140104401261 - 21 = 140104401259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140104401251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 489120 + ... + 720726.

It is an arithmetic number, because the mean of its divisors is an integer number (6653634624).

Almost surely, 2140104401261 is an apocalyptic number.

140104401261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

140104401261 is a deficient number, since it is larger than the sum of its proper divisors (72811906707).

140104401261 is a wasteful number, since it uses less digits than its factorization.

140104401261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232441.

The product of its (nonzero) digits is 768, while the sum is 24.

The spelling of 140104401261 in words is "one hundred forty billion, one hundred four million, four hundred one thousand, two hundred sixty-one".

Divisors: 1 3 11 23 33 69 253 759 797 2391 8767 18331 26301 54993 201641 231607 604923 694821 2547677 5326961 7643031 15980883 58596571 175789713 184590779 553772337 2030498569 4245587917 6091495707 12736763751 46701467087 140104401261