Search a number
-
+
20144302132 = 2219299139883
BaseRepresentation
bin10010110000101100…
…011010100000110100
31220222220001120120011
4102300230122200310
5312223420132012
613130522150004
71312123512553
oct226054324064
956886046504
1020144302132
1185a7a2a389
123aa2352304
131b90560206
14d91529d9a
157cd7721a7
hex4b0b1a834

20144302132 has 24 divisors (see below), whose sum is σ = 38387512800. Its totient is φ = 9213001056.

The previous prime is 20144302117. The next prime is 20144302153. The reversal of 20144302132 is 23120344102.

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, 4567738 + ... + 4572145.

It is an arithmetic number, because the mean of its divisors is an integer number (1599479700).

Almost surely, 220144302132 is an apocalyptic number.

It is an amenable number.

20144302132 is a deficient number, since it is larger than the sum of its proper divisors (18243210668).

20144302132 is a wasteful number, since it uses less digits than its factorization.

20144302132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9139935 (or 9139933 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20144302132 its reverse (23120344102), we get a palindrome (43264646234).

The spelling of 20144302132 in words is "twenty billion, one hundred forty-four million, three hundred two thousand, one hundred thirty-two".

Divisors: 1 2 4 19 29 38 58 76 116 551 1102 2204 9139883 18279766 36559532 173657777 265056607 347315554 530113214 694631108 1060226428 5036075533 10072151066 20144302132