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2152156124 = 221932787767
BaseRepresentation
bin1000000001000111…
…0100101111011100
312112222122212012002
42000101310233130
513401422443444
6553320101432
7104222011436
oct20021645734
95488585162
102152156124
11a04921828
12500904878
13283b4c781
14165b85656
15c8e1ad4e
hex80474bdc

2152156124 has 12 divisors (see below), whose sum is σ = 3785788944. Its totient is φ = 1070502144.

The previous prime is 2152156109. The next prime is 2152156141. The reversal of 2152156124 is 4216512512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1393112 + ... + 1394655.

It is an arithmetic number, because the mean of its divisors is an integer number (315482412).

Almost surely, 22152156124 is an apocalyptic number.

It is an amenable number.

2152156124 is a deficient number, since it is larger than the sum of its proper divisors (1633632820).

2152156124 is a wasteful number, since it uses less digits than its factorization.

2152156124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2787964 (or 2787962 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

The square root of 2152156124 is about 46391.3367343516. The cubic root of 2152156124 is about 1291.0941829188.

Adding to 2152156124 its reverse (4216512512), we get a palindrome (6368668636).

The spelling of 2152156124 in words is "two billion, one hundred fifty-two million, one hundred fifty-six thousand, one hundred twenty-four".

Divisors: 1 2 4 193 386 772 2787767 5575534 11151068 538039031 1076078062 2152156124