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40015030254 = 2311715695279
BaseRepresentation
bin100101010001000101…
…001110011111101110
310211021201100011010120
4211101011032133232
51123422321432004
630214352545410
72614416100533
oct452105163756
9124251304116
1040015030254
1115a74494541
127908b52266
133a092158c4
141d185a0d8a
151092ea53d9
hex95114e7ee

40015030254 has 16 divisors (see below), whose sum is σ = 80098417920. Its totient is φ = 13326950520.

The previous prime is 40015030247. The next prime is 40015030267. The reversal of 40015030254 is 45203051004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2840614 + ... + 2854665.

It is an arithmetic number, because the mean of its divisors is an integer number (5006151120).

Almost surely, 240015030254 is an apocalyptic number.

40015030254 is an abundant number, since it is smaller than the sum of its proper divisors (40083387666).

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

40015030254 is a wasteful number, since it uses less digits than its factorization.

40015030254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5696455.

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 40015030254 its reverse (45203051004), we get a palindrome (85218081258).

The spelling of 40015030254 in words is "forty billion, fifteen million, thirty thousand, two hundred fifty-four".

Divisors: 1 2 3 6 1171 2342 3513 7026 5695279 11390558 17085837 34171674 6669171709 13338343418 20007515127 40015030254