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23130394777660 = 2254397672753743
BaseRepresentation
bin1010100001001011101101…
…11101101101100000111100
310000220020120222111210212111
411100211312331231200330
511012432022030341120
6121105542350143404
74605054513424432
oct520456675554074
9100806528453774
1023130394777660
1174085aa931175
1227169aa4b1b64
13cba25771b9c1
1459d734c24d52
152a1a1be1e75a
hex150976f6d83c

23130394777660 has 48 divisors (see below), whose sum is σ = 49708559932416. Its totient is φ = 9036062908992.

The previous prime is 23130394777639. The next prime is 23130394777681. The reversal of 23130394777660 is 6677749303132.

It is an interprime number because it is at equal distance from previous prime (23130394777639) and next prime (23130394777681).

It is a junction number, because it is equal to n+sod(n) for n = 23130394777595 and 23130394777604.

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, 7022749 + ... + 9776491.

It is an arithmetic number, because the mean of its divisors is an integer number (1035594998592).

Almost surely, 223130394777660 is an apocalyptic number.

23130394777660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23130394777660 is an abundant number, since it is smaller than the sum of its proper divisors (26578165154756).

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

23130394777660 is a wasteful number, since it uses less digits than its factorization.

23130394777660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2763562 (or 2763560 counting only the distinct ones).

The product of its (nonzero) digits is 24004512, while the sum is 58.

The spelling of 23130394777660 in words is "twenty-three trillion, one hundred thirty billion, three hundred ninety-four million, seven hundred seventy-seven thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 9767 19534 39068 48835 97670 195340 419981 839962 1679924 2099905 2753743 4199810 5507486 8399620 11014972 13768715 27537430 55074860 118410949 236821898 473643796 592054745 1184109490 2368218980 26895807881 53791615762 107583231524 134479039405 268958078810 537916157620 1156519738883 2313039477766 4626078955532 5782598694415 11565197388830 23130394777660