Search a number
-
+
857070713254 = 27229301573087
BaseRepresentation
bin11000111100011010110…
…01010011100110100110
310000221020201202100202011
430132031121103212212
5103020240100311004
61453422143504434
7115631003601100
oct14361531234646
93027221670664
10857070713254
1130053308a318
1211a1332b811a
1362a8a8806a2
142d6a7b7c570
15174637bd004
hexc78d6539a6

857070713254 has 24 divisors (see below), whose sum is σ = 1547069941440. Its totient is φ = 354649949136.

The previous prime is 857070713237. The next prime is 857070713293. The reversal of 857070713254 is 452317070758.

It is a happy number.

It is a super-3 number, since 3×8570707132543 (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a junction number, because it is equal to n+sod(n) for n = 857070713198 and 857070713207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150783702 + ... + 150789385.

It is an arithmetic number, because the mean of its divisors is an integer number (64461247560).

Almost surely, 2857070713254 is an apocalyptic number.

857070713254 is a deficient number, since it is larger than the sum of its proper divisors (689999228186).

857070713254 is a wasteful number, since it uses less digits than its factorization.

857070713254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301573132 (or 301573125 counting only the distinct ones).

The product of its (nonzero) digits is 1646400, while the sum is 49.

The spelling of 857070713254 in words is "eight hundred fifty-seven billion, seventy million, seven hundred thirteen thousand, two hundred fifty-four".

Divisors: 1 2 7 14 29 49 58 98 203 406 1421 2842 301573087 603146174 2111011609 4222023218 8745619523 14777081263 17491239046 29554162526 61219336661 122438673322 428535356627 857070713254