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5212199232 = 263329472213
BaseRepresentation
bin1001101101010101…
…11101100101000000
3111110020200011012000
410312222331211000
541133310333412
62221111304000
7243106651062
oct46652754500
914406604160
105212199232
112235172479
12101567b000
13650ac7776
1437633b732
152078c04dc
hex136abd940

5212199232 has 224 divisors, whose sum is σ = 16195852800. Its totient is φ = 1641056256.

The previous prime is 5212199231. The next prime is 5212199243. The reversal of 5212199232 is 2329912125.

5212199232 is a `hidden beast` number, since 521 + 2 + 19 + 92 + 32 = 666.

It is a super-2 number, since 2×52121992322 = 54334041668122779648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5212199231) 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, 2354158 + ... + 2356370.

Almost surely, 25212199232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5212199232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8097926400).

5212199232 is an abundant number, since it is smaller than the sum of its proper divisors (10983653568).

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

5212199232 is a wasteful number, since it uses less digits than its factorization.

5212199232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2310 (or 2294 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 5212199232 is about 72195.5624121040. The cubic root of 5212199232 is about 1733.8319541175.

It can be divided in two parts, 521 and 2199232, that added together give a triangular number (2199753 = T2097).

The spelling of 5212199232 in words is "five billion, two hundred twelve million, one hundred ninety-nine thousand, two hundred thirty-two".