Search a number
-
+
2575074640040 = 23579196695143
BaseRepresentation
bin100101011110001110011…
…010001100000010101000
3100010011201101020102112022
4211132032122030002220
5314142223101440130
65250550054204012
7354020515202120
oct45361632140250
910104641212468
102575074640040
119030a0558541
12357097353608
13158aa028cb76
148c8c4659c80
1546eb49bd7e5
hex2578e68c0a8

2575074640040 has 32 divisors (see below), whose sum is σ = 6621620503680. Its totient is φ = 882882733632.

The previous prime is 2575074640013. The next prime is 2575074640049. The reversal of 2575074640040 is 400464705752.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2575074639973 and 2575074640000.

It is not an unprimeable number, because it can be changed into a prime (2575074640049) 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, 4598347292 + ... + 4598347851.

It is an arithmetic number, because the mean of its divisors is an integer number (206925640740).

Almost surely, 22575074640040 is an apocalyptic number.

2575074640040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2575074640040 is an abundant number, since it is smaller than the sum of its proper divisors (4046545863640).

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

2575074640040 is a wasteful number, since it uses less digits than its factorization.

2575074640040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9196695161 (or 9196695157 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 44.

The spelling of 2575074640040 in words is "two trillion, five hundred seventy-five billion, seventy-four million, six hundred forty thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 9196695143 18393390286 36786780572 45983475715 64376866001 73573561144 91966951430 128753732002 183933902860 257507464004 321884330005 367867805720 515014928008 643768660010 1287537320020 2575074640040