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85673290000 = 245429272
BaseRepresentation
bin100111111001010000…
…1101010100100010000
322012010201102001210211
41033302201222210100
52400424330240000
6103205135533504
76122030643454
oct1176241524420
9265121361724
1085673290000
113337437a901
121472b98a294
13810461044c
14420a420664
1523665bd7ba
hex13f286a910

85673290000 has 75 divisors (see below), whose sum is σ = 207494492227. Its totient is φ = 34257608000.

The previous prime is 85673289959. The next prime is 85673290037. The reversal of 85673290000 is 9237658.

The square root of 85673290000 is 292700.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 6716785936 + 78956504064 = 81956^2 + 280992^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 29268537 + ... + 29271463.

Almost surely, 285673290000 is an apocalyptic number.

85673290000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

85673290000 is the 292700-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85673290000

85673290000 is an abundant number, since it is smaller than the sum of its proper divisors (121821202227).

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

85673290000 is an frugal number, since it uses more digits than its factorization.

85673290000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5882 (or 2934 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 85673290000 in words is "eighty-five billion, six hundred seventy-three million, two hundred ninety thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 2927 5000 5854 10000 11708 14635 23416 29270 46832 58540 73175 117080 146350 234160 292700 365875 585400 731750 1170800 1463500 1829375 2927000 3658750 5854000 7317500 8567329 14635000 17134658 29270000 34269316 42836645 68538632 85673290 137077264 171346580 214183225 342693160 428366450 685386320 856732900 1070916125 1713465800 2141832250 3426931600 4283664500 5354580625 8567329000 10709161250 17134658000 21418322500 42836645000 85673290000