Search a number
-
+
31414214240 = 255226986531
BaseRepresentation
bin11101010000011011…
…101101111001100000
310000002022101102121022
4131100123231321200
51003314014323430
622233111345012
72161321262303
oct352033557140
9100068342538
1031414214240
1112360561132
126108682168
132c6837c666
1417401bab3a
15c3cd7a4e5
hex7506ede60

31414214240 has 48 divisors (see below), whose sum is σ = 74249647920. Its totient is φ = 12560002560.

The previous prime is 31414214207. The next prime is 31414214257. The reversal of 31414214240 is 4241241413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319775 + ... + 406305.

It is an arithmetic number, because the mean of its divisors is an integer number (1546867665).

Almost surely, 231414214240 is an apocalyptic number.

It is an amenable number.

31414214240 is an abundant number, since it is smaller than the sum of its proper divisors (42835433680).

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

31414214240 is a wasteful number, since it uses less digits than its factorization.

31414214240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88815 (or 88807 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 31414214240 its reverse (4241241413), we get a palindrome (35655455653).

The spelling of 31414214240 in words is "thirty-one billion, four hundred fourteen million, two hundred fourteen thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 2269 4538 9076 11345 18152 22690 36304 45380 72608 86531 90760 173062 181520 346124 363040 432655 692248 865310 1384496 1730620 2768992 3461240 6922480 13844960 196338839 392677678 785355356 981694195 1570710712 1963388390 3141421424 3926776780 6282842848 7853553560 15707107120 31414214240