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5212112430 = 2357116321341
BaseRepresentation
bin1001101101010101…
…01000011000101110
3111110020111202010010
410312222220120232
541133300044210
62221105354050
7243106140030
oct46652503056
914406452103
105212112430
112235113238
121015638926
13650a970c5
14376317c50
152078a4920
hex136aa862e

5212112430 has 64 divisors (see below), whose sum is σ = 14309042688. Its totient is φ = 1190259840.

The previous prime is 5212112407. The next prime is 5212112443. The reversal of 5212112430 is 342112125.

It is a super-2 number, since 2×52121124302 = 54332231965921009800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 5212112397 and 5212112406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 233560 + ... + 254900.

It is an arithmetic number, because the mean of its divisors is an integer number (223578792).

Almost surely, 25212112430 is an apocalyptic number.

5212112430 is an abundant number, since it is smaller than the sum of its proper divisors (9096930258).

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

5212112430 is a wasteful number, since it uses less digits than its factorization.

5212112430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22521.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 5212112430 is about 72194.9612507687. The cubic root of 5212112430 is about 1733.8223292029.

Adding to 5212112430 its reverse (342112125), we get a palindrome (5554224555).

The spelling of 5212112430 in words is "five billion, two hundred twelve million, one hundred twelve thousand, four hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 1163 2326 3489 5815 6978 8141 11630 16282 17445 21341 24423 34890 40705 42682 48846 64023 81410 106705 122115 128046 149387 213410 244230 298774 320115 448161 640230 746935 896322 1493870 2240805 4481610 24819583 49639166 74458749 124097915 148917498 173737081 248195830 347474162 372293745 521211243 744587490 868685405 1042422486 1737370810 2606056215 5212112430