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30545111454 = 231113172094139
BaseRepresentation
bin11100011100101000…
…010110100110011110
32220211202000102201020
4130130220112212132
51000024022031304
622010543425010
72130636110034
oct343450264636
986752012636
1030545111454
1111a54a12370
125b055b5166
132b5a2b3460
14169a9c4554
15bdb9035d9
hex71ca1699e

30545111454 has 64 divisors (see below), whose sum is σ = 75992152320. Its totient is φ = 8041489920.

The previous prime is 30545111423. The next prime is 30545111491. The reversal of 30545111454 is 45411154503.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1032484 + ... + 1061655.

It is an arithmetic number, because the mean of its divisors is an integer number (1187377380).

Almost surely, 230545111454 is an apocalyptic number.

30545111454 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

30545111454 is an abundant number, since it is smaller than the sum of its proper divisors (45447040866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30545111454 is a wasteful number, since it uses less digits than its factorization.

30545111454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2094185.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 30545111454 its reverse (45411154503), we get a palindrome (75956265957).

The spelling of 30545111454 in words is "thirty billion, five hundred forty-five million, one hundred eleven thousand, four hundred fifty-four".

Divisors: 1 2 3 6 11 13 17 22 26 33 34 39 51 66 78 102 143 187 221 286 374 429 442 561 663 858 1122 1326 2431 4862 7293 14586 2094139 4188278 6282417 12564834 23035529 27223807 35600363 46071058 54447614 69106587 71200726 81671421 106801089 138213174 163342842 213602178 299461877 391603993 462804719 598923754 783207986 898385631 925609438 1174811979 1388414157 1796771262 2349623958 2776828314 5090851909 10181703818 15272555727 30545111454