Search a number
-
+
401255072239 = 74110331374327
BaseRepresentation
bin1011101011011001010…
…10101000000111101111
31102100201011012122102211
411311230222220013233
523033232244302424
6504200052431251
740663321560520
oct5655452500757
91370634178384
10401255072239
1114519803378a
1265923618527
132bab8675838
14155c6b4a847
15a686bb1b94
hex5d6caa81ef

401255072239 has 32 divisors (see below), whose sum is σ = 474583689216. Its totient is φ = 332103905280.

The previous prime is 401255072237. The next prime is 401255072243. The reversal of 401255072239 is 932270552104.

It is not a de Polignac number, because 401255072239 - 21 = 401255072237 is a prime.

It is a super-2 number, since 2×4012550722392 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401255072237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92730694 + ... + 92735020.

It is an arithmetic number, because the mean of its divisors is an integer number (14830740288).

Almost surely, 2401255072239 is an apocalyptic number.

401255072239 is a deficient number, since it is larger than the sum of its proper divisors (73328616977).

401255072239 is a wasteful number, since it uses less digits than its factorization.

401255072239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7615.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 401255072239 in words is "four hundred one billion, two hundred fifty-five million, seventy-two thousand, two hundred thirty-nine".

Divisors: 1 7 41 103 287 721 3137 4223 4327 21959 29561 30289 128617 177407 323111 445681 900319 1241849 2261777 3119767 13247551 13573799 18272921 92732857 95016593 127910447 556525759 1398101297 3895680313 9786709079 57322153177 401255072239