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2215421412 = 223539735911
BaseRepresentation
bin1000010000001100…
…1010010111100100
312201101201001211220
42010003022113210
514014121441122
61003500100340
7105620525361
oct20403122744
95641631756
102215421412
11a37602996
12519b346b0
13293ca0a59
14170333468
15ce76625c
hex840ca5e4

2215421412 has 48 divisors (see below), whose sum is σ = 5321296512. Its totient is φ = 717050880.

The previous prime is 2215421333. The next prime is 2215421441. The reversal of 2215421412 is 2141245122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43737 + ... + 79647.

It is an arithmetic number, because the mean of its divisors is an integer number (110860344).

Almost surely, 22215421412 is an apocalyptic number.

It is an amenable number.

2215421412 is an abundant number, since it is smaller than the sum of its proper divisors (3105875100).

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

2215421412 is a wasteful number, since it uses less digits than its factorization.

2215421412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36068 (or 36066 counting only the distinct ones).

The product of its digits is 1280, while the sum is 24.

The square root of 2215421412 is about 47068.2633204158. The cubic root of 2215421412 is about 1303.6233064827.

Adding to 2215421412 its reverse (2141245122), we get a palindrome (4356666534).

The spelling of 2215421412 in words is "two billion, two hundred fifteen million, four hundred twenty-one thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 53 97 106 159 194 212 291 318 388 582 636 1164 5141 10282 15423 20564 30846 35911 61692 71822 107733 143644 215466 430932 1903283 3483367 3806566 5709849 6966734 7613132 10450101 11419698 13933468 20900202 22839396 41800404 184618451 369236902 553855353 738473804 1107710706 2215421412