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2551425345 = 33572616323
BaseRepresentation
bin1001100000010011…
…1010100101000001
320120210221211121000
42120010322211001
520211131102340
61101101522213
7120140520600
oct23004724501
96523854530
102551425345
11109a238697
125b2573369
13318796551
141a2bd9a37
15eded7d30
hex9813a941

2551425345 has 96 divisors (see below), whose sum is σ = 5363763840. Its totient is φ = 1147063680.

The previous prime is 2551425329. The next prime is 2551425403. The reversal of 2551425345 is 5435241552.

It is not a de Polignac number, because 2551425345 - 24 = 2551425329 is a prime.

It is a super-2 number, since 2×25514253452 = 13019542582216738050, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 400354 + ... + 406676.

It is an arithmetic number, because the mean of its divisors is an integer number (55872540).

Almost surely, 22551425345 is an apocalyptic number.

It is an amenable number.

2551425345 is an abundant number, since it is smaller than the sum of its proper divisors (2812338495).

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

2551425345 is a wasteful number, since it uses less digits than its factorization.

2551425345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6412 (or 6399 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 2551425345 is about 50511.6357387088. The cubic root of 2551425345 is about 1366.4517099625.

Adding to 2551425345 its reverse (5435241552), we get a palindrome (7986666897).

The spelling of 2551425345 in words is "two billion, five hundred fifty-one million, four hundred twenty-five thousand, three hundred forty-five".

Divisors: 1 3 5 7 9 15 21 27 35 45 49 61 63 105 135 147 183 189 245 305 315 427 441 549 735 915 945 1281 1323 1647 2135 2205 2745 2989 3843 6323 6405 6615 8235 8967 11529 14945 18969 19215 26901 31615 44261 44835 56907 57645 80703 94845 132783 134505 170721 221305 284535 309827 385703 398349 403515 663915 853605 929481 1157109 1195047 1549135 1928515 1991745 2699921 2788443 3471327 4647405 5785545 5975235 8099763 8365329 10413981 13499605 13942215 17356635 18899447 24299289 40498815 41826645 52069905 56698341 72897867 94497235 121496445 170095023 283491705 364489335 510285069 850475115 2551425345