Search a number
-
+
1213834996572 = 223119195719671
BaseRepresentation
bin10001101010011110001…
…101000010101101011100
311022001010020200202101220
4101222132031002231130
5124341413224342242
62325343400333340
7153460651143012
oct21523615025534
94261106622356
101213834996572
1142886a235860
121772baa74250
138a605973903
1442a6db2c8b2
15218945c8bec
hex11a9e342b5c

1213834996572 has 24 divisors (see below), whose sum is σ = 3089761809792. Its totient is φ = 367828786800.

The previous prime is 1213834996567. The next prime is 1213834996601. The reversal of 1213834996572 is 2756994383121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4597859704 + ... + 4597859967.

It is an arithmetic number, because the mean of its divisors is an integer number (128740075408).

Almost surely, 21213834996572 is an apocalyptic number.

1213834996572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1213834996572 is an abundant number, since it is smaller than the sum of its proper divisors (1875926813220).

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

1213834996572 is a wasteful number, since it uses less digits than its factorization.

1213834996572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9195719689 (or 9195719687 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 60.

The spelling of 1213834996572 in words is "one trillion, two hundred thirteen billion, eight hundred thirty-four million, nine hundred ninety-six thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 9195719671 18391439342 27587159013 36782878684 55174318026 101152916381 110348636052 202305832762 303458749143 404611665524 606917498286 1213834996572