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230210103440 = 2455948773327
BaseRepresentation
bin1101011001100110010…
…1110110100010010000
3211000012201220221121102
43112121211312202100
512232432241302230
6253431305243532
722426551410222
oct3263145664220
9730181827542
10230210103440
11896a4669039
1238748a935a8
131892a098225
14b1dc3bc412
155ec5751045
hex3599976890

230210103440 has 40 divisors (see below), whose sum is σ = 544310340480. Its totient is φ = 90523293056.

The previous prime is 230210103353. The next prime is 230210103457. The reversal of 230210103440 is 44301012032.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 24381944 + ... + 24391383.

It is an arithmetic number, because the mean of its divisors is an integer number (13607758512).

Almost surely, 2230210103440 is an apocalyptic number.

230210103440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230210103440 is an abundant number, since it is smaller than the sum of its proper divisors (314100237040).

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

230210103440 is a wasteful number, since it uses less digits than its factorization.

230210103440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48773399 (or 48773393 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 230210103440 its reverse (44301012032), we get a palindrome (274511115472).

The spelling of 230210103440 in words is "two hundred thirty billion, two hundred ten million, one hundred three thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 59 80 118 236 295 472 590 944 1180 2360 4720 48773327 97546654 195093308 243866635 390186616 487733270 780373232 975466540 1950933080 2877626293 3901866160 5755252586 11510505172 14388131465 23021010344 28776262930 46042020688 57552525860 115105051720 230210103440