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1101828421 = 6137947659
BaseRepresentation
bin100000110101100…
…1001000101000101
32211210021200110001
41001223021011011
54224032002141
6301200001301
736206246521
oct10153110505
92753250401
101101828421
11515a54001
12269000231
13147370ca5
14a6496d81
1566ae7a31
hex41ac9145

1101828421 has 8 divisors (see below), whose sum is σ = 1122869600. Its totient is φ = 1080883440.

The previous prime is 1101828401. The next prime is 1101828433. The reversal of 1101828421 is 1248281011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1101828421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1101828421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101828401) 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, 711 + ... + 46948.

It is an arithmetic number, because the mean of its divisors is an integer number (140358700).

Almost surely, 21101828421 is an apocalyptic number.

It is an amenable number.

1101828421 is a deficient number, since it is larger than the sum of its proper divisors (21041179).

1101828421 is an equidigital number, since it uses as much as digits as its factorization.

1101828421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48099.

The product of its (nonzero) digits is 1024, while the sum is 28.

The square root of 1101828421 is about 33193.8009423446. The cubic root of 1101828421 is about 1032.8517511642.

The spelling of 1101828421 in words is "one billion, one hundred one million, eight hundred twenty-eight thousand, four hundred twenty-one".

Divisors: 1 61 379 23119 47659 2907199 18062761 1101828421