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2140400310 = 23571346677
BaseRepresentation
bin111111110010011…
…1110101010110110
312112011112121020120
41333210332222312
513340420302220
6552220112410
7104020050066
oct17744765266
95464477216
102140400310
119a9222484
124b8995706
13281594979
141643a53a6
15c7d97a40
hex7f93eab6

2140400310 has 16 divisors (see below), whose sum is σ = 5136960816. Its totient is φ = 570773408.

The previous prime is 2140400299. The next prime is 2140400357. The reversal of 2140400310 is 130040412.

It is a super-2 number, since 2×21404003102 = 9162626974096192200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2140400310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35673309 + ... + 35673368.

It is an arithmetic number, because the mean of its divisors is an integer number (321060051).

Almost surely, 22140400310 is an apocalyptic number.

2140400310 is an abundant number, since it is smaller than the sum of its proper divisors (2996560506).

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

2140400310 is a wasteful number, since it uses less digits than its factorization.

2140400310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71346687.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2140400310 is about 46264.4605501891. The cubic root of 2140400310 is about 1288.7390900216.

Adding to 2140400310 its reverse (130040412), we get a palindrome (2270440722).

The spelling of 2140400310 in words is "two billion, one hundred forty million, four hundred thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 71346677 142693354 214040031 356733385 428080062 713466770 1070200155 2140400310