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223519431913 = 19139180146993
BaseRepresentation
bin1101000000101011001…
…0111101110011101001
3210100221110020121201021
43100022302331303221
512130231433310123
6250403341052441
722102006552231
oct3201262756351
9710843217637
10223519431913
118688098a538
12373a0257121
1318101ba80ab
14ab65982cc1
155c33189c5d
hex340acbdce9

223519431913 has 16 divisors (see below), whose sum is σ = 237112926400. Its totient is φ = 210110630400.

The previous prime is 223519431911. The next prime is 223519431917. The reversal of 223519431913 is 319134915322.

It is a cyclic number.

It is not a de Polignac number, because 223519431913 - 21 = 223519431911 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 223519431913.

It is not an unprimeable number, because it can be changed into a prime (223519431911) 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, 4732945 + ... + 4779937.

It is an arithmetic number, because the mean of its divisors is an integer number (14819557900).

Almost surely, 2223519431913 is an apocalyptic number.

It is an amenable number.

223519431913 is a deficient number, since it is larger than the sum of its proper divisors (13593494487).

223519431913 is a wasteful number, since it uses less digits than its factorization.

223519431913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48952.

The product of its digits is 174960, while the sum is 43.

The spelling of 223519431913 in words is "two hundred twenty-three billion, five hundred nineteen million, four hundred thirty-one thousand, nine hundred thirteen".

Divisors: 1 19 139 1801 2641 34219 46993 250339 892867 4756441 6532027 84634393 124108513 1608053467 11764180627 223519431913