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20935381414 = 261171601487
BaseRepresentation
bin10011011111110110…
…001001000110100110
32000001000121120022211
4103133312021012212
5320333424201124
613341221514034
71340540543263
oct233766110646
960030546284
1020935381414
118973527a12
12408327291a
131c8840b86c
14102861226a
15827e35e94
hex4dfd891a6

20935381414 has 8 divisors (see below), whose sum is σ = 31917876768. Its totient is φ = 10296089160.

The previous prime is 20935381381. The next prime is 20935381427. The reversal of 20935381414 is 41418353902.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85800622 + ... + 85800865.

It is an arithmetic number, because the mean of its divisors is an integer number (3989734596).

Almost surely, 220935381414 is an apocalyptic number.

20935381414 is a deficient number, since it is larger than the sum of its proper divisors (10982495354).

20935381414 is a wasteful number, since it uses less digits than its factorization.

20935381414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171601550.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 20935381414 in words is "twenty billion, nine hundred thirty-five million, three hundred eighty-one thousand, four hundred fourteen".

Divisors: 1 2 61 122 171601487 343202974 10467690707 20935381414