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23031010000 = 245410912111
BaseRepresentation
bin10101011100110000…
…010101001011010000
32012110001220112022101
4111130300111023100
5334131414310000
614325202250144
71443505232515
oct253460251320
965401815271
1023031010000
11984944a769
124569056954
132230628a8b
141186a8130c
158ebdd7e6a
hex55cc152d0

23031010000 has 100 divisors (see below), whose sum is σ = 55837926144. Its totient is φ = 9199600000.

The previous prime is 23031009997. The next prime is 23031010019. The reversal of 23031010000 is 1013032.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10908945 + ... + 10911055.

Almost surely, 223031010000 is an apocalyptic number.

23031010000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23031010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27918963072).

23031010000 is an abundant number, since it is smaller than the sum of its proper divisors (32806916144).

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

23031010000 is a wasteful number, since it uses less digits than its factorization.

23031010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3230 (or 3209 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 23031010000 its reverse (1013032), we get a palindrome (23032023032).

The spelling of 23031010000 in words is "twenty-three billion, thirty-one million, ten thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1091 1250 2000 2111 2182 2500 4222 4364 5000 5455 8444 8728 10000 10555 10910 16888 17456 21110 21820 27275 33776 42220 43640 52775 54550 84440 87280 105550 109100 136375 168880 211100 218200 263875 272750 422200 436400 527750 545500 681875 844400 1055500 1091000 1319375 1363750 2111000 2182000 2303101 2638750 2727500 4222000 4606202 5277500 5455000 9212404 10555000 10910000 11515505 18424808 21110000 23031010 36849616 46062020 57577525 92124040 115155050 184248080 230310100 287887625 460620200 575775250 921240400 1151550500 1439438125 2303101000 2878876250 4606202000 5757752500 11515505000 23031010000