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245312241042 = 231117218638361
BaseRepresentation
bin1110010001110110111…
…1111011110110010010
3212110012020021000202010
43210131233323312102
513004344413203132
6304410032403350
723503031434011
oct3443557736622
9773166230663
10245312241042
11950444015a0
123b6626a6556
131a195b25a1b
14bc31dcca78
1565ab4dd6cc
hex391dbfbd92

245312241042 has 32 divisors (see below), whose sum is σ = 566710634304. Its totient is φ = 69964275200.

The previous prime is 245312241017. The next prime is 245312241043. The reversal of 245312241042 is 240142213542.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (245312241043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109318059 + ... + 109320302.

It is an arithmetic number, because the mean of its divisors is an integer number (17709707322).

Almost surely, 2245312241042 is an apocalyptic number.

245312241042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

245312241042 is an abundant number, since it is smaller than the sum of its proper divisors (321398393262).

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

245312241042 is a wasteful number, since it uses less digits than its factorization.

245312241042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218638394.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 245312241042 its reverse (240142213542), we get a palindrome (485454454584).

The spelling of 245312241042 in words is "two hundred forty-five billion, three hundred twelve million, two hundred forty-one thousand, forty-two".

Divisors: 1 2 3 6 11 17 22 33 34 51 66 102 187 374 561 1122 218638361 437276722 655915083 1311830166 2405021971 3716852137 4810043942 7215065913 7433704274 11150556411 14430131826 22301112822 40885373507 81770747014 122656120521 245312241042