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2189972062 = 217229130651
BaseRepresentation
bin1000001010001000…
…0101001001011110
312122121211002220101
42002202011021132
513441113101222
61001150411314
7105161312125
oct20242051136
95577732811
102189972062
11a24200473
12511500b3a
1328b930175
1416abcaabc
15cc3da927
hex8288525e

2189972062 has 24 divisors (see below), whose sum is σ = 3609914760. Its totient is φ = 995030400.

The previous prime is 2189972047. The next prime is 2189972093. The reversal of 2189972062 is 2602799812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48564 + ... + 82087.

It is an arithmetic number, because the mean of its divisors is an integer number (150413115).

Almost surely, 22189972062 is an apocalyptic number.

2189972062 is a deficient number, since it is larger than the sum of its proper divisors (1419942698).

2189972062 is a wasteful number, since it uses less digits than its factorization.

2189972062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130716 (or 130699 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 2189972062 is about 46797.1373269776. The cubic root of 2189972062 is about 1298.6123382272.

It can be divided in two parts, 21899 and 72062, that added together give a triangular number (93961 = T433).

The spelling of 2189972062 in words is "two billion, one hundred eighty-nine million, nine hundred seventy-two thousand, sixty-two".

Divisors: 1 2 17 29 34 58 289 493 578 986 8381 16762 130651 261302 2221067 3788879 4442134 7577758 37758139 64410943 75516278 128821886 1094986031 2189972062