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2141347812 = 2231721374507
BaseRepresentation
bin111111110100010…
…0101111111100100
312112020022201222020
41333220211333210
513341141112222
6552252303140
7104031104352
oct17750457744
95466281866
102141347812
119a980a33a
124b9171ab0
13281837016
141645707d2
15c7ed365c
hex7fa25fe4

2141347812 has 72 divisors (see below), whose sum is σ = 5347605984. Its totient is φ = 666743808.

The previous prime is 2141347811. The next prime is 2141347883. The reversal of 2141347812 is 2187431412.

It is not an unprimeable number, because it can be changed into a prime (2141347811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 472863 + ... + 477369.

Almost surely, 22141347812 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 2141347812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2673802992).

2141347812 is an abundant number, since it is smaller than the sum of its proper divisors (3206258172).

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

2141347812 is a wasteful number, since it uses less digits than its factorization.

2141347812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4685 (or 4666 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 2141347812 is about 46274.6994803856. The cubic root of 2141347812 is about 1288.9292262192.

The spelling of 2141347812 in words is "two billion, one hundred forty-one million, three hundred forty-seven thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 137 204 274 289 411 548 578 822 867 1156 1644 1734 2329 3468 4507 4658 6987 9014 9316 13521 13974 18028 27042 27948 39593 54084 76619 79186 118779 153238 158372 229857 237558 306476 459714 475116 617459 919428 1234918 1302523 1852377 2469836 2605046 3704754 3907569 5210092 7409508 7815138 10496803 15630276 20993606 31490409 41987212 62980818 125961636 178445651 356891302 535336953 713782604 1070673906 2141347812