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211901187052 = 22163819323377
BaseRepresentation
bin1100010101011001001…
…0111000001111101100
3202020221202110121222001
43011112102320033230
511432433200441202
6241202425502044
721211052241232
oct3052622701754
9666852417861
10211901187052
1181959772185
1235099341924
1316c9cb675a9
14a38293a952
1557a31c6d87
hex31564b83ec

211901187052 has 12 divisors (see below), whose sum is σ = 370830487720. Its totient is φ = 105949619136.

The previous prime is 211901187013. The next prime is 211901187061. The reversal of 211901187052 is 250781109112.

211901187052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2119011870522 (a number of 23 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 493588 + ... + 816964.

Almost surely, 2211901187052 is an apocalyptic number.

It is an amenable number.

211901187052 is a deficient number, since it is larger than the sum of its proper divisors (158929300668).

211901187052 is a wasteful number, since it uses less digits than its factorization.

211901187052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487200 (or 487198 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 37.

The spelling of 211901187052 in words is "two hundred eleven billion, nine hundred one million, one hundred eighty-seven thousand, fifty-two".

Divisors: 1 2 4 163819 323377 327638 646754 655276 1293508 52975296763 105950593526 211901187052