Search a number
-
+
20122343412 = 22331595231753
BaseRepresentation
bin10010101111011000…
…101001011111110100
31220221100201221212020
4102233120221133310
5312202304442122
613124415353140
71311436045143
oct225730513764
956840657766
1020122343412
1185965a1486
123a96b227b0
131b88b423a2
14d8c65175a
157cb885c5c
hex4af6297f4

20122343412 has 96 divisors (see below), whose sum is σ = 49410600960. Its totient is φ = 6365226240.

The previous prime is 20122343411. The next prime is 20122343413. The reversal of 20122343412 is 21434322102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20122343411) and next prime (20122343413).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122343411) 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, 11477928 + ... + 11479680.

It is an arithmetic number, because the mean of its divisors is an integer number (514693760).

Almost surely, 220122343412 is an apocalyptic number.

It is an amenable number.

20122343412 is an abundant number, since it is smaller than the sum of its proper divisors (29288257548).

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

20122343412 is a wasteful number, since it uses less digits than its factorization.

20122343412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373 (or 2371 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20122343412 its reverse (21434322102), we get a palindrome (41556665514).

The spelling of 20122343412 in words is "twenty billion, one hundred twenty-two million, three hundred forty-three thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 31 59 62 93 118 124 177 186 236 354 372 523 708 1046 1569 1753 1829 2092 3138 3506 3658 5259 5487 6276 7012 7316 10518 10974 16213 21036 21948 30857 32426 48639 54343 61714 64852 92571 97278 103427 108686 123428 163029 185142 194556 206854 217372 310281 326058 370284 413708 620562 652116 916819 956567 1241124 1833638 1913134 2750457 2869701 3206237 3667276 3826268 5500914 5739402 6412474 9618711 11001828 11478804 12824948 19237422 28421389 38474844 54092321 56842778 85264167 108184642 113685556 162276963 170528334 216369284 324553926 341056668 649107852 1676861951 3353723902 5030585853 6707447804 10061171706 20122343412