Search a number
-
+
20231447140654 = 2190723041230221
BaseRepresentation
bin1001001100110100000000…
…01110000101100100101110
32122122002220100002110022021
410212122000032011210232
510122433000432000104
6111010110513340354
74155450056165461
oct446320016054456
978562810073267
1020231447140654
1164a0121529482
122328ba68676ba
13b39a81740539
144dd2c8a4b2d8
152513ededb754
hex12668038592e

20231447140654 has 16 divisors (see below), whose sum is σ = 30364533954576. Its totient is φ = 10109936332800.

The previous prime is 20231447140643. The next prime is 20231447140699. The reversal of 20231447140654 is 45604174413202.

It is a happy number.

It is a super-2 number, since 2×202314471406542 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20231447140654.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87763264 + ... + 87993484.

It is an arithmetic number, because the mean of its divisors is an integer number (1897783372161).

Almost surely, 220231447140654 is an apocalyptic number.

20231447140654 is a deficient number, since it is larger than the sum of its proper divisors (10133086813922).

20231447140654 is a wasteful number, since it uses less digits than its factorization.

20231447140654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255171.

The product of its (nonzero) digits is 645120, while the sum is 43.

The spelling of 20231447140654 in words is "twenty trillion, two hundred thirty-one billion, four hundred forty-seven million, one hundred forty thousand, six hundred fifty-four".

Divisors: 1 2 1907 3814 23041 46082 230221 460442 43939187 87878374 439031447 878062894 5304522061 10609044122 10115723570327 20231447140654