Search a number
-
+
254420150029990 = 2573634573571857
BaseRepresentation
bin111001110110010011001110…
…101010101000111010100110
31020100211022212200212222100021
4321312103032222220322212
5231321404431401424430
62301035000422105354
7104406151331263150
oct7166231652507246
91210738780788307
10254420150029990
117407aa85a7714a
12246503b557b25a
13abc6942902c89
1446b800290bad0
151e630ba5a707a
hexe764ceaa8ea6

254420150029990 has 16 divisors (see below), whose sum is σ = 523378594347552. Its totient is φ = 87229765724544.

The previous prime is 254420150029937. The next prime is 254420150029993. The reversal of 254420150029990 is 99920051024452.

It is a happy number.

It is a super-2 number, since 2×2544201500299902 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254420150029993) 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, 1817286785859 + ... + 1817286785998.

It is an arithmetic number, because the mean of its divisors is an integer number (32711162146722).

Almost surely, 2254420150029990 is an apocalyptic number.

254420150029990 is an abundant number, since it is smaller than the sum of its proper divisors (268958444317562).

254420150029990 is a wasteful number, since it uses less digits than its factorization.

254420150029990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3634573571871.

The product of its (nonzero) digits is 2332800, while the sum is 52.

The spelling of 254420150029990 in words is "two hundred fifty-four trillion, four hundred twenty billion, one hundred fifty million, twenty-nine thousand, nine hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 3634573571857 7269147143714 18172867859285 25442015002999 36345735718570 50884030005998 127210075014995 254420150029990