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211903427307 = 311136746315923
BaseRepresentation
bin1100010101011001101…
…1011011001011101011
3202020221220200110000110
43011112123123023223
511432434234133212
6241202545505403
721211110261465
oct3052633331353
9666856613013
10211903427307
118195aa62330
123509a042263
1316ca04701a0
14a382d61135
1557a34baa3c
hex31566db2eb

211903427307 has 64 divisors (see below), whose sum is σ = 337635680256. Its totient is φ = 116518469760.

The previous prime is 211903427261. The next prime is 211903427317. The reversal of 211903427307 is 703724309112.

It is not a de Polignac number, because 211903427307 - 26 = 211903427243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (211903427317) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13300048 + ... + 13315970.

It is an arithmetic number, because the mean of its divisors is an integer number (5275557504).

Almost surely, 2211903427307 is an apocalyptic number.

211903427307 is a deficient number, since it is larger than the sum of its proper divisors (125732252949).

211903427307 is a wasteful number, since it uses less digits than its factorization.

211903427307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16480.

The product of its (nonzero) digits is 63504, while the sum is 39.

The spelling of 211903427307 in words is "two hundred eleven billion, nine hundred three million, four hundred twenty-seven thousand, three hundred seven".

Divisors: 1 3 11 13 33 39 67 143 201 429 463 737 871 1389 2211 2613 5093 6019 9581 15279 15923 18057 28743 31021 47769 66209 93063 175153 198627 206999 341231 403273 525459 620997 1023693 1066841 1209819 2276989 3200523 4436003 6830967 7372349 11735251 13308009 13868933 22117047 35205753 41606799 81095839 95840537 152558263 243287517 287521611 457674789 493947383 1054245907 1481842149 3162737721 5433421213 6421315979 16300263639 19263947937 70634475769 211903427307