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16801371445 = 5106911512731
BaseRepresentation
bin11111010010111000…
…01001010100110101
31121100220202002202111
433221130021110311
5233402122341240
611415103411021
71133232205135
oct175134112465
947326662674
1016801371445
117141a33051
12330a8b3a71
131779ac9411
14b55576ac5
1568503e1ea
hex3e9709535

16801371445 has 16 divisors (see below), whose sum is σ = 20205434880. Its totient is φ = 13411944000.

The previous prime is 16801371443. The next prime is 16801371449. The reversal of 16801371445 is 54417310861.

It is not a de Polignac number, because 16801371445 - 21 = 16801371443 is a prime.

It is a super-2 number, since 2×168013714452 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16801371398 and 16801371407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16801371443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6150730 + ... + 6153460.

It is an arithmetic number, because the mean of its divisors is an integer number (1262839680).

Almost surely, 216801371445 is an apocalyptic number.

It is an amenable number.

16801371445 is a deficient number, since it is larger than the sum of its proper divisors (3404063435).

16801371445 is a wasteful number, since it uses less digits than its factorization.

16801371445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4956.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 16801371445 in words is "sixteen billion, eight hundred one million, three hundred seventy-one thousand, four hundred forty-five".

Divisors: 1 5 1069 1151 2731 5345 5755 13655 1230419 2919439 3143381 6152095 14597195 15716905 3360274289 16801371445