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2112208542 = 233231700651
BaseRepresentation
bin111110111100101…
…1011111010011110
312110012111022102000
41331321123322132
513311211133132
6545331543130
7103225322253
oct17571337236
95405438360
102112208542
119943175a4
124ab45aaa6
132787a3a52
1416074742a
15c567987c
hex7de5be9e

2112208542 has 32 divisors (see below), whose sum is σ = 4897877760. Its totient is φ = 673457400.

The previous prime is 2112208517. The next prime is 2112208559. The reversal of 2112208542 is 2458022112.

2112208542 is a `hidden beast` number, since 2 + 112 + 2 + 0 + 8 + 542 = 666.

It is a super-2 number, since 2×21122085422 = 8922849849795531528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 849084 + ... + 851567.

It is an arithmetic number, because the mean of its divisors is an integer number (153058680).

Almost surely, 22112208542 is an apocalyptic number.

2112208542 is an abundant number, since it is smaller than the sum of its proper divisors (2785669218).

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

2112208542 is a wasteful number, since it uses less digits than its factorization.

2112208542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700685 (or 1700679 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 2112208542 is about 45958.7700227062. The cubic root of 2112208542 is about 1283.0559594989.

The spelling of 2112208542 in words is "two billion, one hundred twelve million, two hundred eight thousand, five hundred forty-two".

Divisors: 1 2 3 6 9 18 23 27 46 54 69 138 207 414 621 1242 1700651 3401302 5101953 10203906 15305859 30611718 39114973 45917577 78229946 91835154 117344919 234689838 352034757 704069514 1056104271 2112208542