Search a number
-
+
20733140431372 = 2247709191555051
BaseRepresentation
bin1001011011011010011110…
…11110000111001000001100
32201102001212012112020201211
410231231033132013020030
510204142432422300442
6112032401225544204
74236630355614565
oct455551736071014
981361765466654
1020733140431372
11667396a297296
1223aa27a945064
13b75185628a85
145196bcacb16c
1525e4b35ea617
hex12db4f78720c

20733140431372 has 24 divisors (see below), whose sum is σ = 37055520714240. Its totient is φ = 10145855302800.

The previous prime is 20733140431319. The next prime is 20733140431387. The reversal of 20733140431372 is 27313404133702.

It is a happy number.

It is a super-2 number, since 2×207331404313722 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12555247 + ... + 14110297.

It is an arithmetic number, because the mean of its divisors is an integer number (1543980029760).

Almost surely, 220733140431372 is an apocalyptic number.

It is an amenable number.

20733140431372 is a deficient number, since it is larger than the sum of its proper divisors (16322380282868).

20733140431372 is a wasteful number, since it uses less digits than its factorization.

20733140431372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626021 (or 1626019 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 40.

The spelling of 20733140431372 in words is "twenty trillion, seven hundred thirty-three billion, one hundred forty million, four hundred thirty-one thousand, three hundred seventy-two".

Divisors: 1 2 4 47 94 188 70919 141838 283676 1555051 3110102 3333193 6220204 6666386 13332772 73087397 146174794 292349588 110282661869 220565323738 441130647476 5183285107843 10366570215686 20733140431372