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245041340321154 = 23133141555645143
BaseRepresentation
bin110111101101110100100010…
…000010111000110110000010
31012010121201112022210002202210
4313231310202002320312002
5224104224131110234104
62225054234312522550
7102420436563151236
oct6755644202706602
91163551468702683
10245041340321154
11710944a3440053
12235967a10b0456
13a6963b7584ba0
1444720c806c5c6
151d4e14a9bb989
hexdedd220b8d82

245041340321154 has 16 divisors (see below), whose sum is σ = 527781348384192. Its totient is φ = 75397335483408.

The previous prime is 245041340321093. The next prime is 245041340321159. The reversal of 245041340321154 is 451123043140542.

It is a super-2 number, since 2×2450413403211542 (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (245041340321159) by changing a digit.

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, 1570777822494 + ... + 1570777822649.

It is an arithmetic number, because the mean of its divisors is an integer number (32986334274012).

Almost surely, 2245041340321154 is an apocalyptic number.

245041340321154 is an abundant number, since it is smaller than the sum of its proper divisors (282740008063038).

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

245041340321154 is a wasteful number, since it uses less digits than its factorization.

245041340321154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141555645161.

The product of its (nonzero) digits is 230400, while the sum is 39.

Adding to 245041340321154 its reverse (451123043140542), we get a palindrome (696164383461696).

The spelling of 245041340321154 in words is "two hundred forty-five trillion, forty-one billion, three hundred forty million, three hundred twenty-one thousand, one hundred fifty-four".

Divisors: 1 2 3 6 13 26 39 78 3141555645143 6283111290286 9424666935429 18849333870858 40840223386859 81680446773718 122520670160577 245041340321154