Search a number
-
+
1029403309692 = 223131654836711
BaseRepresentation
bin11101111101011010011…
…01111111011001111100
310122102001212221022122010
432332231031333121330
5113331204221402232
62104522405251220
7134241400522002
oct16765515773174
93572055838563
101029403309692
1136762737173a
12147609103b10
13760c2b53644
1437b7552aa72
151bb9ccc80cc
hexefad37f67c

1029403309692 has 24 divisors (see below), whose sum is σ = 2420276487552. Its totient is φ = 340515089200.

The previous prime is 1029403309633. The next prime is 1029403309699. The reversal of 1029403309692 is 2969033049201.

It is a super-2 number, since 2×10294033096922 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1029403309699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327416784 + ... + 327419927.

It is an arithmetic number, because the mean of its divisors is an integer number (100844853648).

Almost surely, 21029403309692 is an apocalyptic number.

1029403309692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1029403309692 is an abundant number, since it is smaller than the sum of its proper divisors (1390873177860).

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

1029403309692 is a wasteful number, since it uses less digits than its factorization.

1029403309692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654836849 (or 654836847 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 48.

The spelling of 1029403309692 in words is "one trillion, twenty-nine billion, four hundred three million, three hundred nine thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 12 131 262 393 524 786 1572 654836711 1309673422 1964510133 2619346844 3929020266 7858040532 85783609141 171567218282 257350827423 343134436564 514701654846 1029403309692