Search a number
-
+
20246958424 = 23711167196817
BaseRepresentation
bin10010110110110100…
…000001000101011000
31221021001020001112001
4102312310001011120
5312431210132144
613145030330344
71314511210210
oct226664010530
957231201461
1020246958424
11864a9755a0
123b107b99b4
131ba88c3a94
14da100d240
157d779dbd4
hex4b6d01158

20246958424 has 64 divisors (see below), whose sum is σ = 47614210560. Its totient is φ = 7841149440.

The previous prime is 20246958419. The next prime is 20246958451. The reversal of 20246958424 is 42485964202.

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, 4464 + ... + 201280.

It is an arithmetic number, because the mean of its divisors is an integer number (743972040).

Almost surely, 220246958424 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 20246958424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23807105280).

20246958424 is an abundant number, since it is smaller than the sum of its proper divisors (27367252136).

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

20246958424 is a wasteful number, since it uses less digits than its factorization.

20246958424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197008 (or 197004 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 46.

The spelling of 20246958424 in words is "twenty billion, two hundred forty-six million, nine hundred fifty-eight thousand, four hundred twenty-four".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 154 167 308 334 616 668 1169 1336 1837 2338 3674 4676 7348 9352 12859 14696 25718 51436 102872 196817 393634 787268 1377719 1574536 2164987 2755438 4329974 5510876 8659948 11021752 15154909 17319896 30309818 32868439 60619636 65736878 121239272 131473756 230079073 262947512 361552829 460158146 723105658 920316292 1446211316 1840632584 2530869803 2892422632 5061739606 10123479212 20246958424