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20001003232 = 257613145661
BaseRepresentation
bin10010101000001001…
…110001011011100000
31220121220102020102111
4102220021301123200
5311430224100412
613104402525104
71305433502530
oct225011613340
956556366374
1020001003232
118534054841
123a62366794
131b69969472
14d7a4a74c0
157c0db82a7
hex4a82716e0

20001003232 has 48 divisors (see below), whose sum is σ = 45075979872. Its totient is φ = 8557816320.

The previous prime is 20001003203. The next prime is 20001003257. The reversal of 20001003232 is 23230010002.

It is a happy number.

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, 64482 + ... + 210142.

It is an arithmetic number, because the mean of its divisors is an integer number (939082914).

Almost surely, 220001003232 is an apocalyptic number.

It is an amenable number.

20001003232 is an abundant number, since it is smaller than the sum of its proper divisors (25074976640).

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

20001003232 is a wasteful number, since it uses less digits than its factorization.

20001003232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146291 (or 146283 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 20001003232 its reverse (23230010002), we get a palindrome (43231013234).

The spelling of 20001003232 in words is "twenty billion, one million, three thousand, two hundred thirty-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 613 1226 2452 4291 4904 8582 9808 17164 19616 34328 68656 137312 145661 291322 582644 1019627 1165288 2039254 2330576 4078508 4661152 8157016 16314032 32628064 89290193 178580386 357160772 625031351 714321544 1250062702 1428643088 2500125404 2857286176 5000250808 10000501616 20001003232