Search a number
-
+
20503133741 = 312367127941
BaseRepresentation
bin10011000110000101…
…001111111000101101
31221220220021002222202
4103012011033320231
5313442300234431
613230301151245
71324041522056
oct230605177055
957826232882
1020503133741
118771536932
123b8255b525
131c199b91cc
14dc705572d
158000028cb
hex4c614fe2d

20503133741 has 8 divisors (see below), whose sum is σ = 21166176768. Its totient is φ = 19840194000.

The previous prime is 20503133711. The next prime is 20503133779. The reversal of 20503133741 is 14733130502.

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

It is a cyclic number.

It is not a de Polignac number, because 20503133741 - 214 = 20503117357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20503133711) 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, 719831 + ... + 747771.

It is an arithmetic number, because the mean of its divisors is an integer number (2645772096).

Almost surely, 220503133741 is an apocalyptic number.

It is an amenable number.

20503133741 is a deficient number, since it is larger than the sum of its proper divisors (663043027).

20503133741 is a wasteful number, since it uses less digits than its factorization.

20503133741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51643.

The product of its (nonzero) digits is 7560, while the sum is 29.

The spelling of 20503133741 in words is "twenty billion, five hundred three million, one hundred thirty-three thousand, seven hundred forty-one".

Divisors: 1 31 23671 27941 733801 866171 661391411 20503133741