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53378638001 = 1321847171007
BaseRepresentation
bin110001101101100111…
…010110000010110001
312002210001022202122122
4301231213112002301
51333304412404001
640304413244025
73566525636213
oct615547260261
9162701282578
1053378638001
1120701938867
12a418493615
135058a26500
14282533a5b3
1515c62ccb1b
hexc6d9d60b1

53378638001 has 12 divisors (see below), whose sum is σ = 57832169472. Its totient is φ = 49245623856.

The previous prime is 53378637971. The next prime is 53378638087. The reversal of 53378638001 is 10083687335.

53378638001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53378638001 - 222 = 53374443697 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53378638801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 226640 + ... + 397646.

It is an arithmetic number, because the mean of its divisors is an integer number (4819347456).

Almost surely, 253378638001 is an apocalyptic number.

It is an amenable number.

53378638001 is a deficient number, since it is larger than the sum of its proper divisors (4453531471).

53378638001 is a wasteful number, since it uses less digits than its factorization.

53378638001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172880 (or 172867 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

It can be divided in two parts, 533786 and 38001, that added together give a cube (571787 = 833).

The spelling of 53378638001 in words is "fifty-three billion, three hundred seventy-eight million, six hundred thirty-eight thousand, one".

Divisors: 1 13 169 1847 24011 171007 312143 2223091 28900183 315849929 4106049077 53378638001