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345213523040 = 2553130768917
BaseRepresentation
bin1010000011000000101…
…01000101010001100000
31020000001112010222100112
411001200111011101200
521123444130214130
6422331111510452
733640466346641
oct5014025052140
91200045128315
10345213523040
1112344a041371
1256aa3388428
1326727050339
14129cbcb36c8
158ea6c28495
hex5060545460

345213523040 has 48 divisors (see below), whose sum is σ = 815604833232. Its totient is φ = 138078994944.

The previous prime is 345213523027. The next prime is 345213523079. The reversal of 345213523040 is 40325312543.

It is a super-2 number, since 2×3452135230402 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 345213522988 and 345213523006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4974662 + ... + 5043578.

It is an arithmetic number, because the mean of its divisors is an integer number (16991767359).

Almost surely, 2345213523040 is an apocalyptic number.

It is an amenable number.

345213523040 is an abundant number, since it is smaller than the sum of its proper divisors (470391310192).

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

345213523040 is a wasteful number, since it uses less digits than its factorization.

345213523040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100239 (or 100231 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 345213523040 its reverse (40325312543), we get a palindrome (385538835583).

The spelling of 345213523040 in words is "three hundred forty-five billion, two hundred thirteen million, five hundred twenty-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 31307 62614 68917 125228 137834 156535 250456 275668 313070 344585 500912 551336 626140 689170 1001824 1102672 1252280 1378340 2205344 2504560 2756680 5009120 5513360 11026720 2157584519 4315169038 8630338076 10787922595 17260676152 21575845190 34521352304 43151690380 69042704608 86303380760 172606761520 345213523040