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2101142524 = 221323108199
BaseRepresentation
bin111110100111100…
…1110001111111100
312102102200002200111
41331033032033330
513300343030044
6544254435404
7103032262645
oct17517161774
95372602614
102101142524
11989049528
124a7802b64
132763cac00
1415d0a66cc
15c46e0b34
hex7d3ce3fc

2101142524 has 18 divisors (see below), whose sum is σ = 3981604200. Its totient is φ = 969757776.

The previous prime is 2101142509. The next prime is 2101142551. The reversal of 2101142524 is 4252411012.

It is a super-2 number, since 2×21011425242 = 8829599812322181152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2101142495 and 2101142504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1553424 + ... + 1554775.

Almost surely, 22101142524 is an apocalyptic number.

It is an amenable number.

2101142524 is a deficient number, since it is larger than the sum of its proper divisors (1880461676).

2101142524 is a wasteful number, since it uses less digits than its factorization.

2101142524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3108229 (or 3108214 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 2101142524 is about 45838.2212133063. The cubic root of 2101142524 is about 1280.8113597770.

Adding to 2101142524 its reverse (4252411012), we get a palindrome (6353553536).

The spelling of 2101142524 in words is "two billion, one hundred one million, one hundred forty-two thousand, five hundred twenty-four".

Divisors: 1 2 4 13 26 52 169 338 676 3108199 6216398 12432796 40406587 80813174 161626348 525285631 1050571262 2101142524