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2140700124 = 223178391677
BaseRepresentation
bin111111110011000…
…0111110111011100
312112012002211111210
41333212013313130
513341004400444
6552230344420
7104022436143
oct17746076734
95465084453
102140700124
119a9407762
124b8abb110
1328166b284
1416444275a
15c7e067b9
hex7f987ddc

2140700124 has 12 divisors (see below), whose sum is σ = 4994966984. Its totient is φ = 713566704.

The previous prime is 2140700123. The next prime is 2140700131. The reversal of 2140700124 is 4210070412.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2140700124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140700123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89195827 + ... + 89195850.

Almost surely, 22140700124 is an apocalyptic number.

It is an amenable number.

2140700124 is an abundant number, since it is smaller than the sum of its proper divisors (2854266860).

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

2140700124 is a wasteful number, since it uses less digits than its factorization.

2140700124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178391684 (or 178391682 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 2140700124 is about 46267.7006560732. The cubic root of 2140700124 is about 1288.7992600718.

Adding to 2140700124 its reverse (4210070412), we get a palindrome (6350770536).

The spelling of 2140700124 in words is "two billion, one hundred forty million, seven hundred thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 12 178391677 356783354 535175031 713566708 1070350062 2140700124