Search a number
-
+
140672730157 = 19231249125771
BaseRepresentation
bin1000001100000010111…
…1111000010000101101
3111110002201120010000221
42003000233320100231
54301044204331112
6144342452451341
713110000322501
oct2030057702055
9443081503027
10140672730157
11547280a8283
122331b019b51
131035b073c8b
146b46b08301
1539d4d08e07
hex20c0bf842d

140672730157 has 16 divisors (see below), whose sum is σ = 154533035520. Its totient is φ = 127459450800.

The previous prime is 140672730127. The next prime is 140672730169. The reversal of 140672730157 is 751037276041.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-140672730157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140672730127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5445682 + ... + 5471452.

It is an arithmetic number, because the mean of its divisors is an integer number (9658314720).

Almost surely, 2140672730157 is an apocalyptic number.

It is an amenable number.

140672730157 is a deficient number, since it is larger than the sum of its proper divisors (13860305363).

140672730157 is a wasteful number, since it uses less digits than its factorization.

140672730157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38304.

The product of its (nonzero) digits is 246960, while the sum is 43.

The spelling of 140672730157 in words is "one hundred forty billion, six hundred seventy-two million, seven hundred thirty thousand, one hundred fifty-seven".

Divisors: 1 19 23 437 12491 25771 237329 287293 489649 592733 5458567 11261927 321905561 6116205659 7403827903 140672730157