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2531096892 = 2232719111087
BaseRepresentation
bin1001011011011101…
…0111100100111100
320112101201001012100
42112313113210330
520140430100032
61055054105100
7116502653142
oct22667274474
96471631170
102531096892
111089813615
125a77ab190
133144c978c
141a0227592
15ec31e97c
hex96dd793c

2531096892 has 72 divisors (see below), whose sum is σ = 6501261312. Its totient is φ = 830138400.

The previous prime is 2531096849. The next prime is 2531096921. The reversal of 2531096892 is 2986901352.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2327973 + ... + 2329059.

It is an arithmetic number, because the mean of its divisors is an integer number (90295296).

Almost surely, 22531096892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2531096892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3250630656).

2531096892 is an abundant number, since it is smaller than the sum of its proper divisors (3970164420).

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

2531096892 is a wasteful number, since it uses less digits than its factorization.

2531096892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2079 (or 2074 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 2531096892 is about 50310.0078711980. The cubic root of 2531096892 is about 1362.8129659763.

The spelling of 2531096892 in words is "two billion, five hundred thirty-one million, ninety-six thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 36 71 142 213 284 426 639 852 911 1087 1278 1822 2174 2556 2733 3261 3644 4348 5466 6522 8199 9783 10932 13044 16398 19566 32796 39132 64681 77177 129362 154354 194043 231531 258724 308708 388086 463062 582129 694593 776172 926124 990257 1164258 1389186 1980514 2328516 2778372 2970771 3961028 5941542 8912313 11883084 17824626 35649252 70308247 140616494 210924741 281232988 421849482 632774223 843698964 1265548446 2531096892