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140775790401 = 344728872
BaseRepresentation
bin1000001100011011100…
…1000001011101000001
3111110100220111010010000
42003012321001131001
54301302100243101
6144401013430213
713112361321621
oct2030671013501
9443326433100
10140775790401
1154780299a34
122334963b369
131037651967c
146b56694881
1539dddb5486
hex20c6e41741

140775790401 has 45 divisors (see below), whose sum is σ = 215106763729. Its totient is φ = 91750151736.

The previous prime is 140775790391. The next prime is 140775790403. The reversal of 140775790401 is 104097577041.

The square root of 140775790401 is 375201.

It is a perfect power (a square), and thus also a powerful number.

140775790401 is a `hidden beast` number, since 1 + 4 + 0 + 77 + 579 + 0 + 4 + 0 + 1 = 666.

It is not a de Polignac number, because 140775790401 - 219 = 140775266113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140775790403) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 158709580 + ... + 158710466.

Almost surely, 2140775790401 is an apocalyptic number.

140775790401 is the 375201-st square number.

140775790401 is the 187601-st centered octagonal number.

It is an amenable number.

140775790401 is a deficient number, since it is larger than the sum of its proper divisors (74330973328).

140775790401 is an frugal number, since it uses more digits than its factorization.

140775790401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880 (or 937 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 45.

The spelling of 140775790401 in words is "one hundred forty billion, seven hundred seventy-five million, seven hundred ninety thousand, four hundred one".

Divisors: 1 3 9 27 47 81 141 423 887 1269 2209 2661 3807 6627 7983 19881 23949 41689 59643 71847 125067 178929 375201 786769 1125603 1959383 2360307 3376809 5878149 7080921 17634447 21242763 36978143 52903341 63728289 110934429 158710023 332803287 998409861 1737972721 2995229583 5213918163 15641754489 46925263467 140775790401