Search a number
-
+
105046574440 = 2356739196483
BaseRepresentation
bin110000111010101000…
…0111000010101101000
3101001010212122212221011
41201311100320111220
53210113410340230
6120131400353304
710406103102343
oct1416520702550
9331125585834
10105046574440
1140606064185
1218437a75834
139ba11c7472
1451273a745a
152aec2e0e2a
hex1875438568

105046574440 has 32 divisors (see below), whose sum is σ = 239882482080. Its totient is φ = 41391484992.

The previous prime is 105046574383. The next prime is 105046574443. The reversal of 105046574440 is 44475640501.

It is a super-2 number, since 2×1050465744402 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 105046574393 and 105046574402.

It is not an unprimeable number, because it can be changed into a prime (105046574443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19595562 + ... + 19600921.

It is an arithmetic number, because the mean of its divisors is an integer number (7496327565).

Almost surely, 2105046574440 is an apocalyptic number.

105046574440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105046574440 is an abundant number, since it is smaller than the sum of its proper divisors (134835907640).

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

105046574440 is a wasteful number, since it uses less digits than its factorization.

105046574440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39196561 (or 39196557 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 40.

The spelling of 105046574440 in words is "one hundred five billion, forty-six million, five hundred seventy-four thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 67 134 268 335 536 670 1340 2680 39196483 78392966 156785932 195982415 313571864 391964830 783929660 1567859320 2626164361 5252328722 10504657444 13130821805 21009314888 26261643610 52523287220 105046574440