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345420251202 = 23131789232887
BaseRepresentation
bin1010000011011001010…
…01101100000001000010
31020000120221010212002010
411001230221230001002
521124410041014302
6422403414433350
733645556455645
oct5015451540102
91200527125063
10345420251202
111235457aa294
1256b40662856
132675ab21bb0
1412a0b527a5c
158eb9e6116c
hex506ca6c042

345420251202 has 96 divisors (see below), whose sum is σ = 796720482432. Its totient is φ = 98904250368.

The previous prime is 345420251201. The next prime is 345420251207. The reversal of 345420251202 is 202152024543.

It is a self number, because there is not a number n which added to its sum of digits gives 345420251202.

It is not an unprimeable number, because it can be changed into a prime (345420251201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10486803 + ... + 10519689.

It is an arithmetic number, because the mean of its divisors is an integer number (8299171692).

Almost surely, 2345420251202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345420251202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398360241216).

345420251202 is an abundant number, since it is smaller than the sum of its proper divisors (451300231230).

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

345420251202 is a wasteful number, since it uses less digits than its factorization.

345420251202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33100 (or 33011 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 345420251202 its reverse (202152024543), we get a palindrome (547572275745).

The spelling of 345420251202 in words is "three hundred forty-five billion, four hundred twenty million, two hundred fifty-one thousand, two hundred two".

Divisors: 1 2 3 6 13 17 26 34 39 51 78 89 102 178 221 267 442 534 663 1157 1326 1513 2314 3026 3471 4539 6942 7921 9078 15842 19669 23763 32887 39338 47526 59007 65774 98661 102973 118014 134657 197322 205946 269314 308919 403971 427531 559079 617838 807942 855062 1118158 1282593 1677237 1750541 2565186 2926943 3354474 3501082 5251623 5853886 7268027 8780829 10503246 14536054 17561658 21804081 38050259 43608162 49758031 76100518 99516062 114150777 149274093 228301554 260497927 298548186 520995854 646854403 781493781 1293708806 1562987562 1940563209 3386473051 3881126418 4428464759 6772946102 8856929518 10159419153 13285394277 20318838306 26570788554 57570041867 115140083734 172710125601 345420251202