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2531144130 = 2351391793391
BaseRepresentation
bin1001011011011110…
…0011000111000010
320112101210102222220
42112313203013002
520140433103010
61055055111510
7116503240644
oct22667430702
96471712886
102531144130
111089846059
125a7812596
13314515128
141a023a894
15ec32d970
hex96de31c2

2531144130 has 64 divisors (see below), whose sum is σ = 6154444800. Its totient is φ = 666175680.

The previous prime is 2531144123. The next prime is 2531144149. The reversal of 2531144130 is 314411352.

It is a happy number.

2531144130 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2531144130.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 744735 + ... + 748125.

It is an arithmetic number, because the mean of its divisors is an integer number (96163200).

Almost surely, 22531144130 is an apocalyptic number.

2531144130 is an abundant number, since it is smaller than the sum of its proper divisors (3623300670).

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

2531144130 is a wasteful number, since it uses less digits than its factorization.

2531144130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3719.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2531144130 is about 50310.4773382245. The cubic root of 2531144130 is about 1362.8214440079.

Adding to 2531144130 its reverse (314411352), we get a palindrome (2845555482).

The spelling of 2531144130 in words is "two billion, five hundred thirty-one million, one hundred forty-four thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 139 179 278 358 417 537 695 834 895 1074 1390 1790 2085 2685 3391 4170 5370 6782 10173 16955 20346 24881 33910 49762 50865 74643 101730 124405 149286 248810 373215 471349 606989 746430 942698 1213978 1414047 1820967 2356745 2828094 3034945 3641934 4713490 6069890 7070235 9104835 14140470 18209670 84371471 168742942 253114413 421857355 506228826 843714710 1265572065 2531144130